forked from extern/egroupware
1829 lines
44 KiB
JavaScript
1829 lines
44 KiB
JavaScript
/**
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* eGroupWare egw_action framework - egw action framework
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*
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* @link http://www.egroupware.org
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* @author Andreas Stöckel <as@stylite.de>
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* @copyright 2011 by Andreas Stöckel
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package egw_action
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* @version $Id$
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*/
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//TODO (minor): Do auto cleanup - remove elements from the view again after they
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// haven't been viewed for a certain time.
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/*
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uses
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egw_action_common,
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egw_action_data,
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egw_stylesheet,
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jquery;
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*/
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/**
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* Common functions used in most view classes
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*/
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/**
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* Returns an "area" object with the given top position and height
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*/
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function egwArea(_top, _height)
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{
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return {
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"top": _top,
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"bottom": _top + _height
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}
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}
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/**
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* Returns whether two area objects intersect each other
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*/
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function egwAreaIntersect(_ar1, _ar2)
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{
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return ! (_ar1.bottom < _ar2.top || _ar1.top > _ar2.bottom);
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}
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/**
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* Returns whether two areas intersect (result = 0) or their relative position
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* to each other (used to do a binary search inside a list of sorted area objects).
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*/
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function egwAreaIntersectDir(_ar1, _ar2)
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{
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if (_ar1.bottom < _ar2.top)
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{
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return -1;
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}
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if (_ar1.top > _ar2.bottom)
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{
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return 1;
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}
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return 0;
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}
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/** -- egwGridViewOuter Class -- **/
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var EGW_GRID_COLUMN_PADDING = 2;
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var EGW_GRID_SCROLLBAR_WIDTH = false;
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var EGW_GRID_HEADER_BORDER_WIDTH = false;
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var EGW_GRID_COLUMN_BORDER_WIDTH = false;
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var EGW_UNIQUE_COUNTER = 0;
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/**
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* Base view class which is responsible for displaying a grid view element.
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*
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* @param object _parentNode is the DOM-Node into which the grid view will be inserted
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* @param object _data is the data-provider object which contains/loads the grid rows
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* and contains their data.
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*/
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function egwGridViewOuter(_parentNode, _dataRoot, _selectColsCallback, _context)
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{
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this.parentNode = $(_parentNode);
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this.dataRoot = _dataRoot;
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EGW_UNIQUE_COUNTER++;
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// Build the base nodes
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this.outer_table = null;
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this.outer_thead = null;
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this.outer_head_tr = null;
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this.outer_tbody = null;
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this.outer_tr = null;
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this.optcol = null;
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this.selectcols = null;
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this.oldWidth = 0;
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this.oldHeight = 0;
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this.headerHeight = 0;
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this.scrollbarWidth = 0;
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this.visibleColumnCount = 0;
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this.uniqueId = 'grid_outer_' + EGW_UNIQUE_COUNTER;
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this.headerColumns = [];
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this.selectColsCallback = _selectColsCallback;
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this.context = _context;
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this.buildBase();
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this.parentNode.append(this.outer_table);
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this.styleSheet = new egwDynStyleSheet();
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// Now that the base grid has been build, we can perform a few tests, to
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// determine some browser/CSS dependant width values
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// Read the scrollbar width
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this.scrollbarWidth = Math.max(10, this.getScrollbarWidth());
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// Read the th and td border width
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this.headerBorderWidth = this.getHeaderBorderWidth();
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this.columnBorderWidth = this.getColumnBorderWidth();
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// Start value for the average row height
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this.avgRowHeight = 19.0;
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this.avgRowCnt = 1;
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// Insert the base grid container into the DOM-Tree
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this.grid = new egwGridViewGrid(null, null, true, this); // (No parent grid, no height change callback, scrollable)
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this.grid.insertIntoDOM(this.outer_tr, []);
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}
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/**
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* Adds a new element to the average container height counter.
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*/
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egwGridViewOuter.prototype.addHeightToAvg = function(_value)
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{
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this.avgRowCnt++;
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var frac = 1.0 / this.avgRowCnt;
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this.avgRowHeight = this.avgRowHeight * (1 - frac) + _value * frac;
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}
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/**
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* Removes the height from the average container height
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*/
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egwGridViewOuter.prototype.remHeightFromAvg = function(_value)
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{
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if (this.avgRowCnt > 1)
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{
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var sum = this.avgRowHeight * this.avgRowCnt - _value;
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this.avgRowCnt--;
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this.avgRowCount = sum / this.avgRowCnt;
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}
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}
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/**
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* Removes all containers from the base grid and replaces it with spacers again.
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* As only partial data is displayed, this method is faster than updating every
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* displayed data row. Please note that this may also reset/change the scrollbar
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* position.
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*/
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egwGridViewOuter.prototype.empty = function()
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{
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this.grid.empty(this.columns);
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// Create a new spacer container and set the item list to the root level children
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var spacer = this.grid.insertContainer(-1, egwGridViewSpacer, this.avgRowHeight);
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this.dataRoot.getChildren(function(_children) {
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spacer.setItemList(_children);
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}, null);
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}
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/**
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* Sets the column data which is retrieved by calling egwGridColumns.getColumnData.
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* The columns will be updated.
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*/
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egwGridViewOuter.prototype.updateColumns = function(_columns)
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{
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// Copy the columns data
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this.columns = _columns;
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var first = true;
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// Count the visible rows
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var total_cnt = 0;
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for (var i = 0; i < this.columns.length; i++)
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{
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if (this.columns[i].visible)
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{
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total_cnt++;
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}
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}
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var vis_col = this.visibleColumnCount = 0;
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var totalWidth = 0;
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// Set the grid column styles
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for (var i = 0; i < this.columns.length; i++)
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{
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var col = this.columns[i];
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col.tdClass = this.uniqueId + "_td_" + col.id;
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col.divClass = this.uniqueId + "_div_" + col.id;
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if (col.visible)
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{
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vis_col++;
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this.visibleColumnCount++;
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this.styleSheet.updateRule("." + col.tdClass,
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"display: " + (col.visible ? "table-cell" : "none") + "; " +
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((vis_col == total_cnt) ? "border-right-width: 0 " : "border-right-width: 1px ") +
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"!important;");
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this.styleSheet.updateRule(".egwGridView_outer ." + col.divClass,
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"width: " + (col.width - this.headerBorderWidth) + "px;");
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// Ugly browser dependant code - each browser seems to treat the
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// right (collapsed) border of the row differently
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var addBorder = 0;
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if ($.browser.mozilla || ($.browser.webkit && !first))
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{
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addBorder = 1;
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}
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if (($.browser.msie || $.browser.opera) && first)
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{
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addBorder = -1;
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}
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// Make the last columns one pixel smaller, to prevent a horizontal
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// scrollbar from showing up
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if (vis_col == total_cnt)
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{
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addBorder += 1;
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}
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var width = (col.width - this.columnBorderWidth - addBorder);
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this.styleSheet.updateRule(".egwGridView_grid ." + col.divClass,
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"width: " + width + "px;");
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totalWidth += col.width;
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first = false;
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}
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else
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{
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this.styleSheet.updateRule("." + col.tdClass,
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"display: " + (col.visible ? "table-cell" : "none") + ";");
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}
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}
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// Add the full row and spacer class
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this.styleSheet.updateRule(".egwGridView_grid ." + this.uniqueId + "_div_fullRow",
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"width: " + (totalWidth - this.columnBorderWidth - 1) + "px; border-right-width: 0 !important;");
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this.styleSheet.updateRule(".egwGridView_outer ." + this.uniqueId + "_spacer_fullRow",
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"width: " + (totalWidth - 1) + "px; border-right-width: 0 !important;");
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// Build the header if this hasn't been done yet
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this.buildBaseHeader();
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// Update the grid
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this.grid.updateColumns(this.columns);
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}
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egwGridViewOuter.prototype.buildBase = function()
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{
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/*
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Structure:
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<table class="egwGridView_outer">
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<thead>
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<tr> [HEAD] </tr>
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</thead>
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<tbody>
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<tr> [GRID CONTAINER] </tr>
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</tbody>
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</table>
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*/
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this.outer_table = $(document.createElement("table"));
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this.outer_table.addClass("egwGridView_outer");
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this.outer_thead = $(document.createElement("thead"));
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this.outer_tbody = $(document.createElement("tbody"));
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this.outer_tr = $(document.createElement("tr"));
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this.outer_head_tr = $(document.createElement("tr"));
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this.outer_table.append(this.outer_thead, this.outer_tbody);
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this.outer_tbody.append(this.outer_tr);
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this.outer_thead.append(this.outer_head_tr);
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}
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egwGridViewOuter.prototype.buildBaseHeader = function()
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{
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// Build the "option-column", if this hasn't been done yet
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if (this.headerColumns.length == 0)
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{
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// Create the head columns
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this.headerColumns = [];
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for (var i = 0; i < this.columns.length; i++)
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{
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var col = this.columns[i];
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// Create the column element and insert it into the DOM-Tree
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var column = $(document.createElement("th"));
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column.addClass(col.tdClass);
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var cont = $(document.createElement("div"));
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cont.addClass("innerContainer");
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cont.addClass(col.divClass);
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cont.html(col.caption);
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column.append(cont);
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this.outer_head_tr.append(column);
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this.headerColumns.push(column);
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}
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// Build the "select columns" icon
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this.selectcols = $(document.createElement("span"));
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this.selectcols.addClass("selectcols");
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// Build the option column
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this.optcol = $(document.createElement("th"));
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this.optcol.addClass("optcol");
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this.optcol.append(this.selectcols);
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// Append the option column and set its width of the last column
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this.outer_head_tr.append(this.optcol);
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this.optcol.css("width", this.scrollbarWidth - this.optcol.outerWidth()
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+ this.optcol.width() + 1);
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var self = this;
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this.optcol.click(function() {
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self.selectColsCallback.call(self.context, self.selectcols);
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return false;
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});
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this.headerHeight = this.outer_thead.height();
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}
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}
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/**
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* Calculates the width of the browser scrollbar
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*/
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egwGridViewOuter.prototype.getScrollbarWidth = function()
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{
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if (EGW_GRID_SCROLLBAR_WIDTH === false)
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{
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// Create a temporary td and two div, which are inserted into the dom-tree
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var td = $(document.createElement("td"));
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var div_outer = $(document.createElement("div"));
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var div_inner = $(document.createElement("div"));
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// The outer div has a fixed size and "overflow" set to auto. When the second
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// div is inserted, it will be forced to display a scrollbar.
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div_outer.css("height", "100px");
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div_outer.css("width", "100px");
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div_outer.css("overflow", "auto");
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div_inner.css("height", "1000px");
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this.outer_tr.append(td);
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td.append(div_outer);
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div_outer.append(div_inner);
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// Store the scrollbar width statically.
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EGW_GRID_SCROLLBAR_WIDTH = div_outer.outerWidth() - div_inner.outerWidth();
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// Remove the temporary elements again.
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this.outer_tr.empty();
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}
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return EGW_GRID_SCROLLBAR_WIDTH;
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}
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/**
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* Calculates the total width of the header column border
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*/
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egwGridViewOuter.prototype.getHeaderBorderWidth = function()
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{
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if (EGW_GRID_HEADER_BORDER_WIDTH === false)
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{
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// Create a temporary th which is appended to the outer thead row
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var cont = $(document.createElement("div"));
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cont.addClass("innerContainer");
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var th = $(document.createElement("th"));
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th.append(cont);
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// Insert the th into the document tree
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this.outer_head_tr.append(th);
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// Calculate the total border width
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EGW_GRID_HEADER_BORDER_WIDTH = th.outerWidth(true) - cont.width();
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// Empty the outer head again
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this.outer_head_tr.empty();
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}
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return EGW_GRID_HEADER_BORDER_WIDTH;
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}
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/**
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* Calculates the total width of the column border
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*/
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egwGridViewOuter.prototype.getColumnBorderWidth = function()
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{
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if (EGW_GRID_COLUMN_BORDER_WIDTH === false)
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{
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// Temporarily assign the egwGridView_grid class to this table
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this.outer_table.addClass("egwGridView_grid");
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// Create a temporary td which is appended to the outer tbody row
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var cont = $(document.createElement("div"));
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cont.addClass("innerContainer");
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var td = $(document.createElement("td"));
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td.append(cont);
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// Insert the th into the document tree
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this.outer_tr.append(td);
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// Calculate the total border width
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EGW_GRID_COLUMN_BORDER_WIDTH = td.outerWidth(true) - cont.width();
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// Empty the outer head again
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this.outer_tr.empty();
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this.outer_table.removeClass("egwGridView_grid");
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}
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return EGW_GRID_COLUMN_BORDER_WIDTH;
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}
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egwGridViewOuter.prototype.setHeight = function(_h)
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{
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this.grid.setScrollHeight(_h - this.headerHeight);
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}
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/** -- egwGridViewContainer Interface -- **/
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/**
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* Constructor for the abstract egwGridViewContainer class. A grid view container
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* represents a chunk of data which is inserted into a grid. As the grid itself
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* is a container, hirachical structures can be realised. All containers are inserted
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* into the DOM tree directly after creation.
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*
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* @param object _grid is the parent grid this container is inserted into.
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*/
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function egwGridViewContainer(_grid, _heightChangeProc)
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{
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this.grid = _grid;
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this.visible = true;
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this.position = 0;
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this.heightChangeProc = _heightChangeProc;
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this.parentNode = null;
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this.columns = [];
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this.height = false;
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this.assumedHeight = false;
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this.index = 0;
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this.viewArea = false;
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this.containerClass = "";
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this.heightInAvg = false;
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this.updated = true;
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this.doInsertIntoDOM = null;
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this.doSetViewArea = null;
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}
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/**
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* Calls the heightChangeProc (if set) in the context of the parent grid (if set)
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*/
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egwGridViewContainer.prototype.callHeightChangeProc = function()
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{
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if (this.heightChangeProc && this.grid)
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{
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// Pass this element as parameter
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this.heightChangeProc.call(this.grid, this);
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}
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}
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/**
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* Sets the visibility of the container. Setting the visibility only takes place
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* if the parentNode is set and the visible state has changed or the _force
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* parameter is set to true.
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*/
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egwGridViewContainer.prototype.setVisible = function(_visible, _force)
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{
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// Default the _force parameter to force
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if (typeof _force == "undefined")
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{
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_force = false;
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}
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if ((_visible != this.visible || _force) && this.parentNode)
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{
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$(this.parentNode).toggleClass("hidden", !_visible);
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if (_visible)
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{
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this.assumedHeight = 0;
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this.height = false;
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}
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// As the element is now (in)visible, its height has changed. Inform the
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// parent about it.
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this.callHeightChangeProc();
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}
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this.visible = _visible;
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}
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/**
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* Returns whether the container is visible. The element is not visible as long
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* as it isn't implemented into the DOM-Tree.
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*/
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egwGridViewContainer.prototype.getVisible = function()
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{
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return this.parentNode && this.visible;
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}
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|
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/**
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* Inserts the container into the given _parentNode. This method may only be
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* called once after the creation of the container.
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*
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* @param object _parentNode is the parentDOM-Node into which the container should
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* be inserted.
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* @param array _columns is an array of columns which will be generated
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*/
|
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egwGridViewContainer.prototype.insertIntoDOM = function(_parentNode, _columns)
|
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{
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if (_parentNode && !this.parentNode)
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{
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// Copy the function arguments
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this.columns = _columns;
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this.parentNode = $(_parentNode);
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|
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// Call the interface function of the implementation which will insert its data
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// into the parent node.
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return egwCallAbstract(this, this.doInsertIntoDOM, arguments);
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this.setVisible(this.visible);
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}
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else
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{
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throw "egw_action Exception: egwGridViewContainer::insertIntoDOM called more than once for a container object or parent node not specified.";
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}
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return false;
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}
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|
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egwGridViewContainer.prototype.setViewArea = function(_area, _force)
|
|
{
|
|
// Calculate the relative coordinates and pass those to the implementation
|
|
var relArea = {
|
|
"top": _area.top - this.position,
|
|
"bottom": _area.bottom - this.position
|
|
};
|
|
|
|
this.viewArea = relArea;
|
|
|
|
this.checkViewArea(_force);
|
|
}
|
|
|
|
egwGridViewContainer.prototype.getViewArea = function()
|
|
{
|
|
if (this.viewArea && this.visible)
|
|
{
|
|
return this.viewArea;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
egwGridViewContainer.prototype.setPosition = function(_top)
|
|
{
|
|
// Recalculate the relative view area
|
|
if (this.viewArea)
|
|
{
|
|
var at = this.position + this.viewArea.top;
|
|
this.viewArea = {
|
|
"top": at - _top,
|
|
"bottom": at - _top + (this.viewArea.bottom - this.viewArea.top)
|
|
};
|
|
|
|
this.checkViewArea();
|
|
}
|
|
|
|
this.position = _top;
|
|
}
|
|
|
|
/**
|
|
* Returns the height of the container in pixels and zero if the element is not
|
|
* visible. The height is clamped to positive values.
|
|
*/
|
|
egwGridViewContainer.prototype.getHeight = function()
|
|
{
|
|
if (this.visible && this.parentNode)
|
|
{
|
|
if (this.height === false && this.assumedHeight === false)
|
|
{
|
|
this.height = this.parentNode.outerHeight();
|
|
}
|
|
|
|
return this.height !== false ? this.height : this.assumedHeight;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
egwGridViewContainer.prototype.invalidateHeightCache = function()
|
|
{
|
|
this.assumedHeight = false;
|
|
this.height = false;
|
|
}
|
|
|
|
egwGridViewContainer.prototype.offsetPosition = function(_offset)
|
|
{
|
|
this.position += _offset;
|
|
|
|
// Offset the view area in the oposite direction
|
|
if (this.viewArea)
|
|
{
|
|
this.viewArea.top -= _offset;
|
|
this.viewArea.bottom -= _offset;
|
|
|
|
this.checkViewArea();
|
|
}
|
|
}
|
|
|
|
egwGridViewContainer.prototype.inArea = function(_area)
|
|
{
|
|
return egwAreaIntersect(this.getArea(), _area);
|
|
}
|
|
|
|
egwGridViewContainer.prototype.checkViewArea = function(_force)
|
|
{
|
|
if (typeof _force == "undefined")
|
|
{
|
|
_force = false;
|
|
}
|
|
|
|
if (this.visible && this.viewArea)
|
|
{
|
|
if (!this.grid || !this.grid.inUpdate || _force)
|
|
{
|
|
return egwCallAbstract(this, this.doSetViewArea, [this.viewArea]);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
egwGridViewContainer.prototype.getArea = function()
|
|
{
|
|
return egwArea(this.position, this.getHeight());
|
|
}
|
|
|
|
/**
|
|
* Function which is called whenever the column count or the data inside the columns
|
|
* has probably changed - the checkViewArea function of the grid element is called
|
|
* and the variable "updated" is set to true. Grid elements should check this
|
|
* flag and set it to false if they have successfully updated themselves.
|
|
*/
|
|
egwGridViewContainer.prototype.updateColumns = function(_columns)
|
|
{
|
|
this.columns = _columns;
|
|
|
|
this.updated = true;
|
|
this.checkViewArea();
|
|
}
|
|
|
|
/** -- egwGridViewGrid Class -- **/
|
|
|
|
var EGW_GRID_VIEW_EXT = 25;
|
|
var EGW_GRID_MAX_CYCLES = 10;
|
|
var EGW_GRID_SCROLL_TIMEOUT = 100;
|
|
var EGW_GRID_UPDATE_HEIGHTS_TIMEOUT = 50;
|
|
|
|
/**
|
|
* egwGridViewGrid is the container for egwGridViewContainer objects, but itself
|
|
* implements the egwGridViewContainer interface.
|
|
*/
|
|
function egwGridViewGrid(_grid, _heightChangeProc, _scrollable, _outer)
|
|
{
|
|
if (typeof _scrollable == "undefined")
|
|
{
|
|
_scrollable = false;
|
|
}
|
|
|
|
EGW_UNIQUE_COUNTER++;
|
|
|
|
var container = new egwGridViewContainer(_grid, _heightChangeProc);
|
|
|
|
// Introduce new functions to the container interface
|
|
container.outerNode = null;
|
|
container.innerNode = null;
|
|
container.scrollarea = null;
|
|
container.scrollable = _scrollable;
|
|
container.scrollHeight = 100;
|
|
container.scrollEvents = 0;
|
|
container.inUpdate = 0;
|
|
container.didUpdate = false;
|
|
container.updateIndex = 0;
|
|
container.triggerID = 0;
|
|
container.setupContainer = egwGridViewGrid_setupContainer;
|
|
container.insertContainer = egwGridViewGrid_insertContainer;
|
|
container.removeContainer = egwGridViewGrid_removeContainer;
|
|
container.addContainer = egwGridViewGrid_addContainer;
|
|
container.heightChangeHandler = egwGridViewGrid_heightChangeHandler;
|
|
container.setScrollHeight = egwGridViewGrid_setScrollHeight;
|
|
container.scrollCallback = egwGridViewGrid_scrollCallback;
|
|
container.empty = egwGridViewGrid_empty;
|
|
container.getOuter = egwGridViewGrid_getOuter;
|
|
container.updateAssumedHeights = egwGridViewGrid_updateAssumedHeights;
|
|
container.beginUpdate = egwGridViewGrid_beginUpdate;
|
|
container.endUpdate = egwGridViewGrid_endUpdate;
|
|
container.triggerUpdateAssumedHeights = egwGridViewGrid_triggerUpdateAssumedHeights;
|
|
container.addIconHeightToAvg = egwGridViewGrid_addIconHeightToAvg;
|
|
container.setIconWidth = egwGridViewGrid_setIconWidth;
|
|
container.updateColumns = egwGridViewGrid_updateColumns;
|
|
container.children = [];
|
|
container.outer = _outer;
|
|
container.containerClass = "grid";
|
|
container.avgIconHeight = 16;
|
|
container.avgIconCnt = 1;
|
|
container.uniqueId = "grid_" + EGW_UNIQUE_COUNTER;
|
|
container.maxIconWidth = 16;
|
|
container.styleSheet = new egwDynStyleSheet();
|
|
|
|
// Overwrite the abstract container interface functions
|
|
container.getHeight = egwGridViewGrid_getHeight;
|
|
container.doInsertIntoDOM = egwGridViewGrid_doInsertIntoDOM;
|
|
container.doSetViewArea = egwGridViewGrid_doSetviewArea;
|
|
|
|
return container;
|
|
}
|
|
|
|
function egwGridViewGrid_setIconWidth(_value)
|
|
{
|
|
if (_value > this.maxIconWidth)
|
|
{
|
|
this.maxIconWidth = _value;
|
|
|
|
this.styleSheet.updateRule(".iconContainer." + this.uniqueId,
|
|
"min-width: " + (this.maxIconWidth + 8) + "px;");
|
|
}
|
|
}
|
|
|
|
function egwGridViewGrid_beginUpdate()
|
|
{
|
|
if (this.inUpdate == 0)
|
|
{
|
|
this.didUpdate = false;
|
|
|
|
if (this.grid)
|
|
{
|
|
this.grid.beginUpdate();
|
|
}
|
|
}
|
|
this.inUpdate++;
|
|
}
|
|
|
|
function egwGridViewGrid_triggerUpdateAssumedHeights()
|
|
{
|
|
this.triggerID++;
|
|
var self = this;
|
|
var id = this.triggerID;
|
|
window.setTimeout(function() {
|
|
if (id == self.triggerID)
|
|
{
|
|
self.triggerID = 0;
|
|
self.updateAssumedHeights(20);
|
|
}
|
|
},
|
|
EGW_GRID_UPDATE_HEIGHTS_TIMEOUT
|
|
);
|
|
}
|
|
|
|
function egwGridViewGrid_endUpdate(_recPrev)
|
|
{
|
|
if (typeof _recPrev == "undefined")
|
|
{
|
|
_recPrev = false;
|
|
}
|
|
|
|
if (this.inUpdate > 0)
|
|
{
|
|
this.inUpdate--;
|
|
|
|
if (this.inUpdate == 0 && this.grid)
|
|
{
|
|
this.grid.endUpdate();
|
|
}
|
|
|
|
if (this.inUpdate == 0 && this.didUpdate)
|
|
{
|
|
// If an update has been done, check whether any height assumptions have been
|
|
// done. This procedure is executed with some delay, as this gives the browser
|
|
// the time to insert the newly generated objects into the DOM-Tree and allows
|
|
// us to read their height at a very fast rate.
|
|
if (this.didUpdate && !_recPrev)
|
|
{
|
|
this.triggerUpdateAssumedHeights();
|
|
}
|
|
|
|
this.didUpdate = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
function egwGridViewGrid_updateColumns(_columns)
|
|
{
|
|
try
|
|
{
|
|
this.beginUpdate();
|
|
|
|
this.didUpdate = true;
|
|
|
|
// Set the colspan value of the grid
|
|
this.outerNode.attr("colspan", this.getOuter().visibleColumnCount
|
|
+ (this.scrollable ? 1 : 0));
|
|
|
|
// Call the update function of all children
|
|
for (var i = 0; i < this.children.length; i++)
|
|
{
|
|
this.children[i].updateColumns(_columns);
|
|
}
|
|
|
|
// Call the inherited function
|
|
egwGridViewContainer.prototype.updateColumns.call(this, _columns);
|
|
|
|
this.updated = false;
|
|
}
|
|
finally
|
|
{
|
|
this.endUpdate();
|
|
}
|
|
}
|
|
|
|
function egwGridViewGrid_getOuter()
|
|
{
|
|
if (this.outer)
|
|
{
|
|
return this.outer;
|
|
}
|
|
else if (this.grid)
|
|
{
|
|
return this.grid.getOuter();
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
function egwGridViewGrid_setupContainer()
|
|
{
|
|
/*
|
|
Structure:
|
|
<td colspan="[columncount]">
|
|
[<div class="egwGridView_scrollarea">]
|
|
<table class="egwGridView_grid">
|
|
<tbody>
|
|
[Container 1]
|
|
[Container 2]
|
|
[...]
|
|
[Container n]
|
|
</tbody>
|
|
</table>
|
|
[</div>]
|
|
</td>
|
|
*/
|
|
|
|
this.outerNode = $(document.createElement("td"));
|
|
this.outerNode.addClass("frame");
|
|
|
|
if (this.scrollable)
|
|
{
|
|
this.scrollarea = $(document.createElement("div"));
|
|
this.scrollarea.addClass("egwGridView_scrollarea");
|
|
this.scrollarea.css("height", this.scrollHeight + "px");
|
|
this.scrollarea.scroll(this, function(e) {
|
|
e.data.scrollEvents++;
|
|
var cnt = e.data.scrollEvents;
|
|
window.setTimeout(function() {
|
|
e.data.scrollCallback(cnt);
|
|
}, EGW_GRID_SCROLL_TIMEOUT);
|
|
});
|
|
}
|
|
|
|
var table = $(document.createElement("table"));
|
|
table.addClass("egwGridView_grid");
|
|
|
|
this.innerNode = $(document.createElement("tbody"));
|
|
|
|
if (this.scrollable)
|
|
{
|
|
this.outerNode.append(this.scrollarea);
|
|
this.scrollarea.append(table);
|
|
}
|
|
else
|
|
{
|
|
this.outerNode.append(table);
|
|
}
|
|
|
|
table.append(this.innerNode);
|
|
}
|
|
|
|
function egwGridViewGrid_setScrollHeight(_value)
|
|
{
|
|
this.scrollHeight = _value;
|
|
|
|
if (this.scrollarea)
|
|
{
|
|
this.scrollarea.css("height", _value + "px");
|
|
this.scrollCallback();
|
|
}
|
|
}
|
|
|
|
function egwGridViewGrid_scrollCallback(_event)
|
|
{
|
|
if ((typeof _event == "undefined" || _event == this.scrollEvents) && this.scrollarea)
|
|
{
|
|
var cnt = 0;
|
|
var area = egwArea(this.scrollarea.scrollTop() - EGW_GRID_VIEW_EXT,
|
|
this.scrollHeight + EGW_GRID_VIEW_EXT * 2);
|
|
|
|
this.setViewArea(area);
|
|
|
|
this.scrollEvents = 0;
|
|
}
|
|
}
|
|
|
|
function egwGridViewGrid_updateAssumedHeights(_maxCount)
|
|
{
|
|
var traversed = 0;
|
|
var cnt = _maxCount;
|
|
var outer = this.getOuter();
|
|
|
|
try
|
|
{
|
|
this.beginUpdate();
|
|
|
|
while (traversed < this.children.length && cnt > 0)
|
|
{
|
|
// Clamp the update index
|
|
if (this.updateIndex >= this.children.length)
|
|
{
|
|
this.updateIndex = 0;
|
|
}
|
|
|
|
// Get the child at the given position and check whether it used
|
|
// an assumed height
|
|
var child = this.children[this.updateIndex];
|
|
if (child.assumedHeight !== false)
|
|
{
|
|
// Get the difference (delta) between the assumed and the real
|
|
// height
|
|
var oldHeight = child.assumedHeight;
|
|
child.invalidateHeightCache();
|
|
var newHeight = child.getHeight();
|
|
|
|
if (child.containerClass == "row")
|
|
{
|
|
if (child.heightInAvg)
|
|
{
|
|
outer.remHeightFromAvg(oldHeight);
|
|
}
|
|
outer.addHeightToAvg(newHeight);
|
|
child.heightInAvg = true;
|
|
}
|
|
|
|
// Offset the position of all following elements by the delta.
|
|
var delta = newHeight - oldHeight;
|
|
|
|
if (Math.abs(delta) > 0.001)
|
|
{
|
|
for (var j = this.updateIndex + 1; j < this.children.length; j++)
|
|
{
|
|
this.children[j].offsetPosition(delta);
|
|
}
|
|
}
|
|
|
|
// We've now worked on one element with assumed height, decrease
|
|
// the counter
|
|
cnt--;
|
|
}
|
|
|
|
// Increment the element index and the count of checked elements
|
|
this.updateIndex++;
|
|
traversed++;
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
this.endUpdate(true);
|
|
}
|
|
|
|
if (cnt == 0)
|
|
{
|
|
// If the maximum-update-count has been exhausted, retrigger this function
|
|
this.triggerUpdateAssumedHeights();
|
|
}
|
|
else
|
|
{
|
|
// Otherwise, all elements have been checked - we'll now call "setViewArea"
|
|
// which may check whether new objects are now in the currently visible range
|
|
var self = this;
|
|
window.setTimeout(function() {
|
|
self.setViewArea(self.viewArea);
|
|
}, EGW_GRID_UPDATE_HEIGHTS_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
function egwGridViewGrid_insertContainer(_after, _class, _params)
|
|
{
|
|
var container = null;
|
|
|
|
try
|
|
{
|
|
this.beginUpdate();
|
|
this.didUpdate = true;
|
|
|
|
container = new _class(this, this.heightChangeHandler, _params);
|
|
|
|
var idx = this.children.length;
|
|
if (typeof _after == "number")
|
|
{
|
|
idx = Math.min(this.children.length, Math.max(-1, _after)) + 1;
|
|
}
|
|
else if (typeof _after == "object" && _after)
|
|
{
|
|
idx = _after.index + 1;
|
|
}
|
|
|
|
// Insert the element at the given position
|
|
this.children.splice(idx, 0, container);
|
|
|
|
// Create a table row for that element
|
|
var tr = $(document.createElement("tr"));
|
|
|
|
// Insert the table row after the container specified in the _after parameter
|
|
// and set the top position of the node
|
|
container.index = idx;
|
|
|
|
if (idx == 0)
|
|
{
|
|
this.innerNode.prepend(tr);
|
|
container.setPosition(0);
|
|
}
|
|
else
|
|
{
|
|
tr.insertAfter(this.children[idx - 1].parentNode);
|
|
container.setPosition(this.children[idx - 1].getArea().bottom);
|
|
}
|
|
|
|
// Insert the container into the table row
|
|
container.insertIntoDOM(tr, this.columns);
|
|
|
|
// Offset the position of all following elements by the height of the container
|
|
// and move the index of those elements
|
|
var height = this.getOuter().avgRowHeight;
|
|
container.assumedHeight = height;
|
|
for (var i = idx + 1; i < this.children.length; i++)
|
|
{
|
|
this.children[i].offsetPosition(height);
|
|
this.children[i].index++;
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
this.endUpdate();
|
|
}
|
|
|
|
return container;
|
|
}
|
|
|
|
function egwGridViewGrid_removeContainer(_container)
|
|
{
|
|
this.didUpdate = true;
|
|
|
|
try
|
|
{
|
|
this.beginUpdate();
|
|
|
|
var idx = _container.index;
|
|
|
|
// Offset the position of the folowing children back
|
|
var height = _container.getHeight();
|
|
for (var i = idx + 1; i < this.children.length; i++)
|
|
{
|
|
this.children[i].offsetPosition(-height);
|
|
this.children[i].index--;
|
|
}
|
|
|
|
// Delete the parent node of the container object
|
|
if (_container.parentNode)
|
|
{
|
|
_container.parentNode.remove();
|
|
_container.parentNode = null;
|
|
}
|
|
|
|
this.children.splice(idx, 1);
|
|
}
|
|
finally
|
|
{
|
|
this.endUpdate();
|
|
}
|
|
|
|
this.callHeightChangeProc();
|
|
}
|
|
|
|
function egwGridViewGrid_empty(_newColumns)
|
|
{
|
|
if (typeof _newColumns != "undefined")
|
|
{
|
|
this.columns = _newColumns;
|
|
}
|
|
|
|
this.innerNode.empty();
|
|
this.children = [];
|
|
this.maxIconWidth = 16;
|
|
}
|
|
|
|
function egwGridViewGrid_addContainer(_class)
|
|
{
|
|
// Insert the container at the beginning of the list.
|
|
this.insertContainer(false, _class);
|
|
return container;
|
|
}
|
|
|
|
function egwGridViewGrid_getHeight()
|
|
{
|
|
if (this.visible && this.parentNode)
|
|
{
|
|
if (this.height === false)
|
|
{
|
|
this.height = this.innerNode.outerHeight();
|
|
}
|
|
return this.height;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
function egwGridViewGrid_heightChangeHandler(_elem)
|
|
{
|
|
this.didUpdate = true;
|
|
|
|
// The old height of the element is now only an assumed height - the next
|
|
// time the "updateAssumedHeights" functions is triggered, this will be
|
|
// updated.
|
|
var oldHeight = _elem.assumedHeight !== false ? _elem.assumedHeight :
|
|
(_elem.height === false ? 0 : _elem.height);
|
|
_elem.invalidateHeightCache(false);
|
|
_elem.assumedHeight = oldHeight;
|
|
|
|
if ((_elem.containerClass == "grid" || _elem.containerClass == "spacer") && !this.inUpdate)
|
|
{
|
|
this.triggerUpdateAssumedHeights();
|
|
}
|
|
|
|
// As a result of the height of one of the children, the height of this element
|
|
// has changed too - inform the parent grid about it.
|
|
this.callHeightChangeProc();
|
|
}
|
|
|
|
function egwGridViewGrid_doInsertIntoDOM()
|
|
{
|
|
// Generate the DOM Nodes and append the outer node to the parent node
|
|
this.setupContainer();
|
|
this.parentNode.append(this.outerNode);
|
|
|
|
this.outerNode.attr("colspan", this.columns.length + (this.scrollable ? 1 : 0));
|
|
}
|
|
|
|
function egwGridViewGrid_doSetviewArea(_area, _recPrev)
|
|
{
|
|
if (typeof _recPrev == "undefined")
|
|
{
|
|
_recPrev == false;
|
|
}
|
|
|
|
// Do a binary search for elements which are inside the given area
|
|
this.didUpdate = false;
|
|
var elem = null;
|
|
var elems = [];
|
|
|
|
var bordertop = 0;
|
|
var borderbot = this.children.length - 1;
|
|
var idx = 0;
|
|
while ((borderbot - bordertop >= 0) && !elem)
|
|
{
|
|
idx = Math.round((borderbot + bordertop) / 2);
|
|
|
|
var ar = this.children[idx].getArea();
|
|
|
|
var dir = egwAreaIntersectDir(_area, ar);
|
|
|
|
if (dir == 0)
|
|
{
|
|
elem = this.children[idx];
|
|
}
|
|
else if (dir == -1)
|
|
{
|
|
borderbot = idx - 1;
|
|
}
|
|
else
|
|
{
|
|
bordertop = idx + 1;
|
|
}
|
|
}
|
|
|
|
if (elem)
|
|
{
|
|
elems.push(elem);
|
|
|
|
// Search upwards for elements in the area from the matched element on
|
|
for (var i = idx - 1; i >= 0; i--)
|
|
{
|
|
if (this.children[i].inArea(_area))
|
|
{
|
|
elems.unshift(this.children[i]);
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Search downwards for elemwnts in the area from the matched element on
|
|
for (var i = idx + 1; i < this.children.length; i++)
|
|
{
|
|
if (this.children[i].inArea(_area))
|
|
{
|
|
elems.push(this.children[i]);
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
try
|
|
{
|
|
this.beginUpdate();
|
|
|
|
// Call the setViewArea function of visible child elements
|
|
// Imporant: The setViewArea function has to work on a copy of children,
|
|
// as the container may start to remove themselves or add new elements using
|
|
// the insertAfter function.
|
|
for (var i = 0; i < elems.length; i++)
|
|
{
|
|
elems[i].setViewArea(_area, true);
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
this.endUpdate(_recPrev);
|
|
}
|
|
}
|
|
|
|
function egwGridViewGrid_addIconHeightToAvg(_value)
|
|
{
|
|
this.avgIconCnt++;
|
|
|
|
var frac = 1.0 / this.avgIconCnt;
|
|
this.avgIconHeight = this.avgIconHeight * (1 - frac) + _value * frac;
|
|
}
|
|
|
|
/** -- egwGridViewRow Class -- **/
|
|
|
|
function egwGridViewRow(_grid, _heightChangeProc, _item)
|
|
{
|
|
var container = new egwGridViewContainer(_grid, _heightChangeProc);
|
|
|
|
// Copy the item parameter, which is used when fetching data from the data
|
|
// source
|
|
container.item = _item;
|
|
|
|
// Set a few new functions/properties
|
|
container.isOdd = 0;
|
|
container.aoiSetup = egwGridViewRow_aoiSetup;
|
|
container.getAOI = egwGridViewRow_getAOI;
|
|
container._columnClick = egwGridViewRow__columnClick;
|
|
container.setOpen = egwGridViewRow_setOpen;
|
|
container.reloadChildren = egwGridViewRow_reloadChildren;
|
|
container.tdObjects = [];
|
|
container.containerClass = "row";
|
|
container.childGrid = null;
|
|
container.opened = false;
|
|
|
|
// Overwrite the inherited abstract functions
|
|
container.doInsertIntoDOM = egwGridViewRow_doInsertIntoDOM;
|
|
container.doSetViewArea = egwGridViewRow_doSetViewArea;
|
|
container.doUpdateData = egwGridViewRow_doUpdateData;
|
|
|
|
return container;
|
|
}
|
|
|
|
/**
|
|
* Creates AOI instance of the item and overwrites all necessary functions.
|
|
*/
|
|
function egwGridViewRow_aoiSetup()
|
|
{
|
|
this.aoi = new egwActionObjectInterface();
|
|
|
|
// The default state of an aoi is EGW_AO_STATE_NORMAL || EGW_AO_STATE_VISIBLE -
|
|
// egwGridItems are not necessarily visible by default
|
|
this.aoi._state = EGW_AO_STATE_NORMAL;
|
|
this.aoi.row = this;
|
|
this.aoi.doSetState = egwGridViewRow_aoiSetState;
|
|
this.aoi.getDOMNode = egwGridViewRow_aoiGetDOMNode;
|
|
}
|
|
|
|
function egwGridViewRow_aoiSetState(_state, _shiftState)
|
|
{
|
|
if (this.row.parentNode)
|
|
{
|
|
this.row.parentNode.toggleClass("selected", egwBitIsSet(_state,
|
|
EGW_AO_STATE_SELECTED));
|
|
this.row.parentNode.toggleClass("focused", egwBitIsSet(_state,
|
|
EGW_AO_STATE_FOCUSED));
|
|
}
|
|
}
|
|
|
|
function egwGridViewRow_aoiGetDOMNode()
|
|
{
|
|
return this.row.parentNode ? this.row.parentNode.context : null;
|
|
}
|
|
|
|
/**
|
|
* Returns the actionObjectInterface object of this grid item.
|
|
*/
|
|
function egwGridViewRow_getAOI()
|
|
{
|
|
return this.aoi;
|
|
}
|
|
|
|
function egwGridViewRow__columnClick(_shiftState, _column)
|
|
{
|
|
var state = this.aoi.getState();
|
|
var isSelected = egwBitIsSet(state, EGW_AO_STATE_SELECTED);
|
|
|
|
this.aoi.updateState(EGW_AO_STATE_SELECTED,
|
|
!egwBitIsSet(_shiftState, EGW_AO_SHIFT_STATE_MULTI) || !isSelected,
|
|
_shiftState);
|
|
}
|
|
|
|
var
|
|
EGW_GRID_VIEW_ROW_BORDER = false;
|
|
|
|
function egwGridViewRow_doInsertIntoDOM()
|
|
{
|
|
this.parentNode.empty();
|
|
this.parentNode.addClass("row");
|
|
|
|
// Setup the aoi and inform the item about it
|
|
if (!this.aoi)
|
|
{
|
|
this.aoiSetup();
|
|
this.item.setGridViewObj(this);
|
|
}
|
|
|
|
for (var i = 0; i < this.columns.length; i++)
|
|
{
|
|
var col = this.columns[i];
|
|
|
|
var td = $(document.createElement("td"));
|
|
td.addClass(col.tdClass);
|
|
|
|
var cont = $(document.createElement("div"));
|
|
cont.addClass(col.divClass);
|
|
cont.addClass("innerContainer");
|
|
|
|
this.parentNode.append(td);
|
|
|
|
// Assign the click event to the column
|
|
td.mousedown(egwPreventSelect);
|
|
td.click({"item": this, "col": col.id}, function(e) {
|
|
this.onselectstart = null;
|
|
e.data.item._columnClick(egwGetShiftState(e), e.data.col);
|
|
});
|
|
|
|
td.append(cont);
|
|
|
|
// Store the column in the td object array
|
|
this.tdObjects.push({
|
|
"td": td,
|
|
"cont": cont
|
|
});
|
|
}
|
|
|
|
this.doUpdateData(true);
|
|
|
|
this.checkViewArea();
|
|
}
|
|
|
|
function egwGridViewRow_doUpdateData(_immediate)
|
|
{
|
|
var ids = [];
|
|
var vis_cnt = 0;
|
|
for (var i = 0; i < this.columns.length; i++)
|
|
{
|
|
if (this.columns[i].visible)
|
|
{
|
|
ids.push(this.columns[i].id);
|
|
vis_cnt++;
|
|
}
|
|
}
|
|
|
|
var data = this.item.getData(ids);
|
|
var vis_idx = 0;
|
|
|
|
for (var i = 0; i < this.tdObjects.length; i++)
|
|
{
|
|
var col = this.columns[i];
|
|
|
|
if (col.visible)
|
|
{
|
|
vis_idx++;
|
|
|
|
var cont = this.tdObjects[i].cont;
|
|
if (typeof data[col.id] != "undefined")
|
|
{
|
|
cont.empty();
|
|
|
|
if (col.type == EGW_COL_TYPE_NAME_ICON_FIXED)
|
|
{
|
|
// Insert the indentation spacer
|
|
var depth = this.item.getDepth() - 1;
|
|
if (depth > 0)
|
|
{
|
|
// Build the indentation object
|
|
var indentation = $(document.createElement("span"));
|
|
indentation.addClass("indentation");
|
|
indentation.css("width", (depth * 20) + "px");
|
|
cont.append(indentation);
|
|
}
|
|
|
|
// Insert the open/close arrow
|
|
var arrow = $(document.createElement("span"));
|
|
arrow.addClass("arrow");
|
|
if (this.item.canHaveChildren)
|
|
{
|
|
arrow.addClass(this.item.opened ? "opened" : "closed");
|
|
arrow.click(this, function(e) {
|
|
$this = $(this);
|
|
|
|
if (!e.data.opened)
|
|
{
|
|
$this.addClass("opened");
|
|
$this.removeClass("closed");
|
|
}
|
|
else
|
|
{
|
|
$this.addClass("closed");
|
|
$this.removeClass("opened");
|
|
}
|
|
|
|
e.data.setOpen(!e.data.opened);
|
|
|
|
return false; // Don't bubble this event
|
|
});
|
|
arrow.dblclick(function() {return false;});
|
|
}
|
|
cont.append(arrow);
|
|
|
|
// Insert the icon
|
|
if (data[col.id].iconUrl)
|
|
{
|
|
// Build the icon container
|
|
var iconContainer = $(document.createElement("span"));
|
|
iconContainer.addClass("iconContainer " + this.grid.uniqueId);
|
|
|
|
// Default the iconContainer height to the average height - this attribute
|
|
// is removed from the row as soon as the icon is loaded
|
|
iconContainer.css("min-height", this.grid.avgIconHeight + "px");
|
|
|
|
// Build the icon
|
|
var icon = $(document.createElement("img"));
|
|
if (this.item.iconSize)
|
|
{
|
|
icon.css("height", this.item.iconSize + "px");
|
|
icon.css("width", this.item.iconSize + "px"); //has to be done because of IE :-(
|
|
}
|
|
icon.attr("src", data[col.id].iconUrl);
|
|
|
|
icon.load({"item": this, "cntr": iconContainer}, function(e) {
|
|
e.data.cntr.css("min-height", "");
|
|
var icon = $(this);
|
|
window.setTimeout(function() {
|
|
e.data.item.grid.setIconWidth(icon.width());
|
|
e.data.item.grid.addIconHeightToAvg(icon.height());
|
|
}, 100);
|
|
e.data.item.callHeightChangeProc();
|
|
});
|
|
icon.addClass("icon");
|
|
iconContainer.append(icon);
|
|
cont.append(iconContainer);
|
|
}
|
|
|
|
// Build the caption
|
|
if (data[col.id].caption)
|
|
{
|
|
var caption = $(document.createElement("span"));
|
|
caption.addClass("caption");
|
|
caption.html(data[col.id].caption);
|
|
cont.append(caption);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
cont.html(data[col.id]);
|
|
}
|
|
cont.toggleClass("queued", false);
|
|
}
|
|
else
|
|
{
|
|
cont.empty();
|
|
cont.toggleClass("queued", true);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set the open state
|
|
this.setOpen(this.item.opened);
|
|
|
|
// If the call is not from inside the doInsertIntoDOM function, we have to
|
|
// inform the parent about a possible height change
|
|
if (!_immediate && (this.height || this.assumedHeight))
|
|
{
|
|
this.callHeightChangeProc();
|
|
}
|
|
}
|
|
|
|
function egwGridViewRow_doSetViewArea()
|
|
{
|
|
if (this.updated)
|
|
{
|
|
this.updated = false;
|
|
this.doUpdateData(false);
|
|
}
|
|
}
|
|
|
|
function egwGridViewRow_setOpen(_open, _force)
|
|
{
|
|
if (typeof _force == "undefined")
|
|
{
|
|
_force = false;
|
|
}
|
|
|
|
if (_open != this.opened || _force)
|
|
{
|
|
var inserted = false;
|
|
|
|
if (_open)
|
|
{
|
|
if (!this.childGrid)
|
|
{
|
|
// Get the arrow and put it to "loading" state
|
|
var arrow = $(".arrow", this.parentNode);
|
|
arrow.removeClass("closed");
|
|
arrow.addClass("loading");
|
|
|
|
// Create the "child grid"
|
|
var childGrid = null;
|
|
this.childGrid = childGrid = this.grid.insertContainer(this.index, egwGridViewGrid,
|
|
false);
|
|
inserted = true;
|
|
this.childGrid.setVisible(false);
|
|
var spacer = this.childGrid.insertContainer(-1, egwGridViewSpacer,
|
|
this.grid.getOuter().avgRowHeight);
|
|
this.item.getChildren(function(_children) {
|
|
arrow.removeClass("loading");
|
|
arrow.removeClass("closed");
|
|
arrow.addClass("opened");
|
|
spacer.setItemList(_children);
|
|
childGrid.setVisible(true);
|
|
});
|
|
}
|
|
}
|
|
|
|
if (this.childGrid && !inserted)
|
|
{
|
|
if (!_open)
|
|
{
|
|
// Deselect all childrens
|
|
for (var i = 0; i < this.item.children.length; i++)
|
|
{
|
|
this.item.children[i].actionObject.setAllSelected(false);
|
|
}
|
|
}
|
|
|
|
this.childGrid.setVisible(_open);
|
|
}
|
|
|
|
this.opened = _open;
|
|
this.item.opend = _open;
|
|
}
|
|
}
|
|
|
|
function egwGridViewRow_reloadChildren()
|
|
{
|
|
// Remove the child grid container
|
|
if (this.childGrid)
|
|
{
|
|
this.grid.removeContainer(this.childGrid);
|
|
this.childGrid = null;
|
|
|
|
// Remove all the data from the data object
|
|
this.item.empty();
|
|
|
|
// Recreate the child grid
|
|
this.setOpen(this.opened, true);
|
|
}
|
|
}
|
|
|
|
|
|
/** -- egwGridViewSpacer Class -- **/
|
|
|
|
function egwGridViewSpacer(_grid, _heightChangeProc, _itemHeight)
|
|
{
|
|
if (typeof _itemHeight == "undefined")
|
|
{
|
|
_itemHeight = 20;
|
|
}
|
|
|
|
var container = new egwGridViewContainer(_grid, _heightChangeProc);
|
|
|
|
// Add some new functions/properties to the container
|
|
container.itemHeight = _itemHeight;
|
|
container.domNode = null;
|
|
container.items = [];
|
|
container.setItemList = egwGridViewSpacer_setItemList;
|
|
container.containerClass = "spacer";
|
|
|
|
// Overwrite the inherited functions
|
|
container.doInsertIntoDOM = egwGridViewSpacer_doInsertIntoDOM;
|
|
container.doSetViewArea = egwGridViewSpacer_doSetViewArea;
|
|
|
|
return container;
|
|
}
|
|
|
|
function egwGridViewSpacer_setItemList(_items)
|
|
{
|
|
this.items = _items;
|
|
|
|
if (this.domNode)
|
|
{
|
|
this.domNode.css("height", (this.items.length * this.itemHeight) + "px");
|
|
this.callHeightChangeProc();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates the spacer DOM-Node and inserts it into the DOM-Tree.
|
|
*/
|
|
function egwGridViewSpacer_doInsertIntoDOM()
|
|
{
|
|
this.domNode = $(document.createElement("td"));
|
|
this.domNode.addClass("egwGridView_spacer");
|
|
this.domNode.addClass(this.grid.getOuter().uniqueId + "_spacer_fullRow");
|
|
this.domNode.css("height", (this.items.length * this.itemHeight) + "px");
|
|
this.domNode.attr("colspan", this.columns.length);
|
|
|
|
this.parentNode.append(this.domNode);
|
|
}
|
|
|
|
/**
|
|
* Checks which elements this spacer contains are inside the given area and
|
|
* creates those.
|
|
*/
|
|
function egwGridViewSpacer_doSetViewArea()
|
|
{
|
|
if (this.items.length > 0)
|
|
{
|
|
var avgHeight = this.grid.getOuter().avgRowHeight;
|
|
|
|
// Get all items which are in the view area
|
|
var top = Math.max(0, Math.floor(this.viewArea.top / this.itemHeight));
|
|
var bot = Math.min(this.items.length, Math.ceil(this.viewArea.bottom / this.itemHeight));
|
|
|
|
// Split the item list into three parts
|
|
var it_top = this.items.slice(0, top);
|
|
var it_mid = this.items.slice(top, bot);
|
|
var it_bot = this.items.slice(bot, this.items.length);
|
|
|
|
this.items = [];
|
|
var idx = this.index;
|
|
|
|
// Insert the new rows in the parent grid in front of the spacer container
|
|
for (var i = it_mid.length - 1; i >= 0; i--)
|
|
{
|
|
this.grid.insertContainer(idx - 1, it_mid[i].type, it_mid[i]);
|
|
}
|
|
|
|
// If top was greater than 0, insert a new spacer in front of the newly
|
|
// created elements.
|
|
if (it_top.length > 0)
|
|
{
|
|
// this.itemHeight has to be passed to the new top spacer - otherwise the
|
|
// scroll position might change and we'll go into a nasty setViewArea
|
|
// loop.
|
|
var spacer = this.grid.insertContainer(idx - 1, egwGridViewSpacer, this.itemHeight);
|
|
spacer.setItemList(it_top);
|
|
}
|
|
|
|
// If there are items left at the bottom of the spacer, set theese as items of this spacer
|
|
if (it_bot.length > 0)
|
|
{
|
|
// The height of this (the bottom) spacer can be set to the average height
|
|
this.itemHeight = avgHeight;
|
|
this.setItemList(it_bot);
|
|
}
|
|
else
|
|
{
|
|
this.grid.removeContainer(this);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
/** -- egwGridViewFullRow Class -- **/
|
|
|
|
/**
|
|
* The egwGridViewFullRow Class has only one td which contains a single caption
|
|
*/
|
|
|
|
function egwGridViewFullRow(_grid, _heightChangeProc, _item)
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{
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var container = new egwGridViewContainer(_grid, _heightChangeProc);
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// Copy the item parameter, which is used when fetching data from the data
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// source
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container.item = _item;
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// Set a few new functions/properties - use the row aoi functions
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container.aoiSetup = egwGridViewRow_aoiSetup;
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container.getAOI = egwGridViewRow_getAOI;
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container.containerClass = "row";
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container._columnClick = egwGridViewRow__columnClick;
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container.td = null;
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container.cont = null;
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// Overwrite the inherited abstract functions
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container.doInsertIntoDOM = egwGridViewFullRow_doInsertIntoDOM;
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container.doSetViewArea = egwGridViewFullRow_doSetViewArea;
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container.doUpdateData = egwGridViewFullRow_doUpdateData;
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return container;
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}
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function egwGridViewFullRow_doInsertIntoDOM()
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{
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this.parentNode.empty();
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this.parentNode.addClass("row");
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this.parentNode.addClass("fullRow");
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// Setup the aoi and inform the item about it
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if (!this.aoi)
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{
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this.aoiSetup();
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this.item.setGridViewObj(this);
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}
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var td = this.td = $(document.createElement("td"));
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td.attr("colspan", this.columns.length);
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var cont = this.cont = $(document.createElement("div"));
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cont.addClass("innerContainer");
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cont.addClass(this.grid.getOuter().uniqueId + '_div_fullRow');
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td.append(cont);
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this.parentNode.append(td);
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this.doUpdateData(true);
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this.checkViewArea();
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}
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function egwGridViewFullRow_doUpdateData(_immediate)
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{
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this.cont.empty();
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if (this.item.caption)
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{
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// Insert the indentation spacer
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var depth = this.item.getDepth();
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if (depth > 0)
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{
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// Build the indentation object
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var indentation = $(document.createElement("span"));
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indentation.addClass("indentation");
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indentation.css("width", (depth * 20) + "px");
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this.cont.append(indentation);
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}
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// Insert the caption
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var caption = $(document.createElement("span"));
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caption.addClass("caption");
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caption.html(this.item.caption);
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this.cont.append(caption);
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}
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// If the call is not from inside the doInsertIntoDOM function, we have to
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// inform the parent about a possible height change
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if (!_immediate && (this.height || this.assumedHeight))
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{
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this.callHeightChangeProc();
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}
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}
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function egwGridViewFullRow_doSetViewArea()
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{
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//
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}
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