egroupware/phpgwapi/js/egw_action/egw_grid.js

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/**
* eGroupWare egw_action framework - egw action framework
*
* @link http://www.egroupware.org
* @author Andreas Stöckel <as@stylite.de>
* @copyright 2011 by Andreas Stöckel
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package egw_action
* @version $Id$
*/
/*egw:uses
jquery.jquery;
egw_action;
egw_grid_columns;
egw_grid_data;
egw_grid_view;
*/
function egwGrid(_parentNode, _columns, _objectManager, _fetchCallback,
_columnChangeCallback, _context)
{
this.parentNode = _parentNode;
this.objectManager = _objectManager;
this.columnChangeCallback = _columnChangeCallback;
this.context = _context;
this.width = 0;
this.height = 0;
// Create the column handler and connect its update event to this object
this.columns = new egwGridColumns(_columns, this.columnsUpdate, this);
// Create the read queue
this.readQueue = new egwGridDataQueue(_fetchCallback, _context);
this.selectedChangeCallback = null;
this.sortColsCallback = null;
// Create the root data element
this.dataRoot = new egwGridDataElement("", null, this.columns, this.readQueue,
_objectManager);
var self = this;
this.dataRoot.actionObject.setSelectedCallback = function() {
if (self.gridOuter.checkbox || self.selectedChangeCallback)
{
var allSelected = this.getAllSelected();
if (self.gridOuter.checkbox)
{
self.gridOuter.checkbox.attr("checked", allSelected)
}
if (self.selectedChangeCallback)
{
self.selectedChangeCallback.call(self.context, allSelected);
}
}
};
// Create the outer view component and pass the dataRoot element so that
// the grid outer element will be capable of fetching the root data and
// can create a spacer for that.
this.gridOuter = new egwGridViewOuter(_parentNode, this.dataRoot,
this.selectcolsClick, this.toggleAllClick, this.sortColsClick, this);
this.gridOuter.updateColumns(this.columns.getColumnData());
}
var EGW_SELECTMODE_DEFAULT = 0;
var EGW_SELECTMODE_TOGGLE = 1;
egwGrid.prototype.setSelectmode = function(_mode)
{
this.gridOuter.grid.selectmode = _mode;
}
egwGrid.prototype.setActionLinkGroup = function(_group, _links)
{
this.dataRoot.actionLinkGroups[_group] = _links;
}
/**
* Updates the action link groups.
*
* @param object _groups is an object used as associative array, which will be
* merged into the existing actionLinkGroups
* @param boolean _replace specifies whether existing action link groups will
* be deleted. Defaults to false.
*/
egwGrid.prototype.setActionLinkGroups = function(_groups, _replace)
{
if (typeof _replace == "undefined")
{
_replace = false;
}
if (_replace)
{
this.dataRoot.actionLinkGroups = {};
}
for (var k in _groups)
{
this.dataRoot.actionLinkGroups[k] = _groups[k];
}
}
egwGrid.prototype.resize = function(_w, _h)
{
// if (_w != this.width)
{
this.columns.setTotalWidth(_w - this.gridOuter.scrollbarWidth - 2);
this.gridOuter.updateColumns(this.columns.getColumnData());
this.height = -1;
}
// if (_h != this.height)
{
this.gridOuter.setHeight(_h);
}
this.height = _h;
this.width = _w;
}
/**
* If the columns have changed, call the gridOuter "updateColumns" function,
* which will rebuild the view.
*/
egwGrid.prototype.columnsUpdate = function(_column)
{
if (this.gridOuter)
{
this.gridOuter.updateColumns(this.columns.getColumnData());
}
}
/**
* Handle the selectcols callback
*/
egwGrid.prototype.selectcolsClick = function(_at)
{
var column_data = this.columns.getColumnVisibilitySet();
// Create a menu which contains these elements and show it
var menu_data = [];
for (var k in column_data)
{
var col = column_data[k];
// strip html from caption
var strippedCaption = col.caption.replace(/&(lt|gt);/g, function (strMatch, p1) {
return (p1 == "lt")? "<" : ">";});
strippedCaption = strippedCaption.replace(/<\/?[^>]+(>|$)/g,"");
menu_data.push(
{
"id": k,
"caption": strippedCaption,
"enabled": col.enabled,
"checkbox": true,
"checked": col.visible
}
);
}
var menu = new egwMenu();
menu.loadStructure(menu_data);
var self = this;
menu.setGlobalOnClick(function(_elem) {
column_data[_elem.id].visible = _elem.checked;
if (self.columnChangeCallback)
{
// Create the user data column visibility set
var set = {};
for (var k in column_data)
{
set[k] = {
"visible": column_data[k].visible
};
}
// Call the column change callback with the user data
if (self.columnChangeCallback)
{
self.columnChangeCallback.call(self.context, set);
}
}
self.columns.setColumnVisibilitySet(column_data);
});
menu.showAt(_at.offset().left, _at.offset().top);
}
/**
* Handles the toggle all click
*/
egwGrid.prototype.toggleAllClick = function(_checked)
{
this.dataRoot.actionObject.toggleAllSelected(_checked);
}
/**
* Handles clicking on a sortable column header
*/
egwGrid.prototype.sortColsClick = function(_columnIdx)
{
var col = this.columns.columns[_columnIdx];
if (col.sortable == EGW_COL_SORTABLE_EXTERNAL)
{
if (this.sortColsCallback)
{
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this.sortColsCallback.call(this.context, col.id);
}
}
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else
{
var dir = EGW_COL_SORTMODE_ASC;
if (col.sortmode == EGW_COL_SORTMODE_ASC)
{
dir = EGW_COL_SORTMODE_DESC
}
this.sortData(col.id, dir);
}
}
egwGrid.prototype.sortData = function(_columnId, _dir)
{
var col = this.columns.getColumnById(_columnId);
if (col && col.sortable != EGW_COL_SORTABLE_NONE && col.sortable != EGW_COL_SORTABLE_EXTERNAL)
{
this.dataRoot.sortChildren(col.id, _dir, col.sortable, function() {
// Set the new sort direction
col.set_sortmode(_dir);
this.displaySortMode();
// Rebuild the inner grid
this.reload();
}, this);
}
}
egwGrid.prototype.displaySortMode = function()
{
// Update the column data of the grid
this.gridOuter.updateColumns(this.columns.getColumnData());
// Update the column header
for (var i = 0; i < this.columns.columns.length; i++)
{
this.gridOuter.updateColSortmode(i);
}
}
egwGrid.prototype.resetSort = function()
{
for (var i = 0; i < this.columns.columns.length; i++)
{
fileGrid.columns.columns[i].set_sortmode(EGW_COL_SORTMODE_NONE);
}
this.displaySortMode();
}
/**
* Emptys the grid
*/
egwGrid.prototype.empty = function()
{
this.dataRoot.empty();
this.gridOuter.grid.empty();
}
egwGrid.prototype.reload = function()
{
this.gridOuter.empty();
}
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/**
* Returns the height of the data inserted into the grid
*/
egwGrid.prototype.getDataHeight = function()
{
return this.gridOuter.grid.getHeight();
}