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615 lines
16 KiB
JavaScript
615 lines
16 KiB
JavaScript
/**
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* eGroupWare eTemplate2 - Class which contains a factory method for rows
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Andreas Stöckel
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* @copyright Stylite 2012
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* @version $Id$
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*/
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/*egw:uses
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jquery.jquery;
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et2_core_inheritance;
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et2_core_interfaces;
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et2_core_arrayMgr;
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et2_core_widget;
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*/
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/**
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* The row provider contains prototypes (full clonable dom-trees)
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* for all registered row types.
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*/
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var et2_nextmatch_rowProvider = Class.extend({
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/**
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* Creates the nextmatch row provider.
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*/
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init: function (_rowProvider, _subgridCallback, _context) {
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// Copy the arguments
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this._rowProvider = _rowProvider;
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this._subgridCallback = _subgridCallback;
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this._context = _context;
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this._createEmptyPrototype();
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},
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/**
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* Creates the data row prototype.
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*
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* @param _widgets is an array containing the root widget for each column.
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* @param _rowData contains the properties of the root "tr" (like its class)
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* @param _rootWidget is the parent widget of the data rows (i.e.
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* the nextmatch)
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*/
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setDataRowTemplate: function(_widgets, _rowData, _rootWidget) {
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// Copy the root widget
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this._rootWidget = _rootWidget;
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// Create the base row
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var row = this._rowProvider.getPrototype("default");
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// Copy the row template
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var rowTemplate = {
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"row": row[0],
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"rowData": _rowData,
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"widgets": _widgets,
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"root": _rootWidget,
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"seperated": null,
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"mgrs": _rootWidget.getArrayMgrs()
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};
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// Create the row widget and insert the given widgets into the row
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var rowWidget = new et2_nextmatch_rowWidget(rowTemplate.mgrs, row[0]);
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rowWidget._parent = _rootWidget;
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rowWidget.createWidgets(_widgets);
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// Get the set containing all variable attributes
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var variableAttributes = this._getVariableAttributeSet(rowWidget);
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// Filter out all widgets which do not implement the et2_IDetachedDOM
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// interface or do not support all attributes listed in the et2_IDetachedDOM
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// interface. A warning is issued for all those widgets as they heavily
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// degrade the performance of the dataview
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var seperated = rowTemplate.seperated =
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this._seperateWidgets(variableAttributes);
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// Remove all DOM-Nodes of all widgets inside the "remaining" slot from
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// the row-template, then build the access functions for the detachable
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// widgets
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this._stripTemplateRow(rowTemplate);
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this._buildNodeAccessFuncs(rowTemplate);
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// Create the DOM row template
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var tmpl = document.createDocumentFragment();
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row.children().each(function() { tmpl.appendChild(this); });
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this._dataRow = tmpl;
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this._template = rowTemplate;
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},
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getDataRow: function(_data, _row, _idx, _controller) {
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// Clone the row template
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var row = this._dataRow.cloneNode(true);
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// Create array managers with the given data merged in
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var mgrs = et2_arrayMgrs_expand(rowWidget, this._template.mgrs,
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_data, _idx);
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// Insert the widgets into the row which do not provide the functions
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// to set the _data directly
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var rowWidget = null;
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if (this._template.seperated.remaining.length > 0)
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{
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// Transform the variable attributes
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for (var i = 0; i < this._template.seperated.remaining.length; i++)
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{
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var entry = this._template.seperated.remaining[i];
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for (var j = 0; j < entry.data.length; j++)
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{
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var set = entry.data[j];
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entry.widget.options[set.attribute] = mgrs["content"].expandName(set.expression);
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}
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}
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// Create the row widget
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var rowWidget = new et2_nextmatch_rowTemplateWidget(this._rootWidget,
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row);
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// Let the row widget create the widgets
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rowWidget.createWidgets(mgrs, this._template.placeholders);
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}
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// Update the content of all other widgets
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for (var i = 0; i < this._template.seperated.detachable.length; i++)
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{
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var entry = this._template.seperated.detachable[i];
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// Parse the attribute expressions
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var data = {};
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for (var j = 0; j < entry.data.length; j++)
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{
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var set = entry.data[j];
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data[set.attribute] = mgrs["content"].expandName(set.expression);
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}
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// Retrieve all DOM-Nodes
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var nodes = new Array(entry.nodeFuncs.length);
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for (var j = 0; j < nodes.length; j++)
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{
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// Use the previously compiled node function to get the node
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// from the entry
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nodes[j] = entry.nodeFuncs[j](row);
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}
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// Set the array managers first
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entry.widget._mgrs = mgrs;
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if (typeof data.id != "undefined")
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{
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entry.widget.id = data.id;
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}
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// Adjust data for that row
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entry.widget.transformAttributes.call(entry.widget,data);
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// Call the setDetachedAttributes function
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entry.widget.setDetachedAttributes(nodes, data);
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}
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// Insert the row into the tr
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var tr = _row.getDOMNode();
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tr.appendChild(row);
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// Make the row expandable
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if (typeof _data.content["is_parent"] !== "undefined"
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&& _data.content["is_parent"])
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{
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_row.makeExpandable(true, function () {
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return this._subgridCallback.call(this._context,
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_row, _data, _controller);
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}, this);
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}
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// Set the row data
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this._setRowData(this._template.rowData, tr, mgrs);
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return rowWidget;
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},
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/**
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* Placeholder for empty row
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*
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* The empty row placeholder is used when there are no results to display.
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* This allows the user to still have a drop target, or use actions that
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* do not require a row ID, such as 'Add new'.
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*/
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_createEmptyPrototype: function() {
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var label = this._context && this._context.options && this._context.options.settings.placeholder;
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var placeholder = $j(document.createElement("td"))
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.attr("colspan",this._rowProvider.getColumnCount())
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.css("height","19px")
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.text(typeof label != "undefined" && label ? label : egw().lang("No matches found"))
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this._rowProvider._prototypes["empty"] = $j(document.createElement("tr"))
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.addClass("egwGridView_empty")
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.append(placeholder);
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},
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/** -- PRIVATE FUNCTIONS -- **/
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/**
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* Returns an array containing objects which have variable attributes
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*/
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_getVariableAttributeSet: function(_widget) {
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var variableAttributes = [];
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_widget.iterateOver(function(_widget) {
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// Create the attribtues
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var hasAttr = false;
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var widgetData = {
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"widget": _widget,
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"data": []
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};
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// Get all attribute values
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for (var key in _widget.attributes)
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{
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if (!_widget.attributes[key].ignore &&
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typeof _widget.options[key] != "undefined")
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{
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var val = _widget.options[key];
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// TODO: Improve detection
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if (typeof val == "string" && val.indexOf("$") >= 0)
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{
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hasAttr = true;
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widgetData.data.push({
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"attribute": key,
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"expression": val
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});
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}
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}
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}
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// Add the entry if there is any data in it
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if (hasAttr)
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{
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variableAttributes.push(widgetData);
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}
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}, this);
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return variableAttributes;
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},
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_seperateWidgets: function(_varAttrs) {
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// The detachable array contains all widgets which implement the
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// et2_IDetachedDOM interface for all needed attributes
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var detachable = [];
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// The remaining array creates all widgets which have to be completely
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// cloned when the widget tree is created
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var remaining = [];
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// Iterate over the widgets
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for (var i = 0; i < _varAttrs.length; i++)
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{
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var widget = _varAttrs[i].widget;
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// Check whether the widget parents are not allready in the "remaining"
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// slot - if this is the case do not include the widget at all.
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var insertWidget = true;
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var checkWidget = function (_widget) {
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if (_widget.parent != null)
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{
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for (var i = 0; i < remaining.length; i++)
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{
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if (remaining[i].widget == _widget.parent)
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{
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insertWidget = false;
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return;
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}
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}
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checkWidget(_widget.parent);
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}
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};
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checkWidget(widget);
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// Handle the next widget if this one should not be included.
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if (!insertWidget)
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{
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continue;
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}
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// Check whether the widget implements the et2_IDetachedDOM interface
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var isDetachable = false;
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if (widget.implements(et2_IDetachedDOM))
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{
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// Get all attributes the widgets supports to be set in the
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// "detached" mode
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var supportedAttrs = [];
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widget.getDetachedAttributes(supportedAttrs);
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supportedAttrs.push("id");
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isDetachable = true;
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for (var j = 0; j < _varAttrs[i].data.length/* && isDetachable*/; j++)
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{
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var data = _varAttrs[i].data[j];
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var supportsAttr = supportedAttrs.indexOf(data.attribute) != -1;
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if (!supportsAttr)
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{
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egw.debug("warn", "et2_IDetachedDOM widget " +
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widget._type + " does not support " + data.attribute);
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}
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isDetachable &= supportsAttr;
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}
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}
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// Insert the widget into the correct slot
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if (isDetachable)
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{
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detachable.push(_varAttrs[i]);
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}
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else
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{
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remaining.push(_varAttrs[i]);
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}
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}
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return {
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"detachable": detachable,
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"remaining": remaining
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};
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},
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/**
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* Removes to DOM code for all widgets in the "remaining" slot
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*/
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_stripTemplateRow: function(_rowTemplate) {
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_rowTemplate.placeholders = [];
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for (var i = 0; i < _rowTemplate.seperated.remaining.length; i++)
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{
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var entry = _rowTemplate.seperated.remaining[i];
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// Issue a warning - widgets which do not implement et2_IDOMNode
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// are very slow
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egw.debug("warn", "Non-clonable widget '"+ entry.widget._type + "' in dataview row - this " +
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"might be slow", entry);
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// Set the placeholder for the entry to null
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entry.placeholder = null;
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// Get the outer DOM-Node of the widget
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if (entry.widget.implements(et2_IDOMNode))
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{
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var node = entry.widget.getDOMNode(entry.widget);
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if (node && node.parentNode)
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{
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// Get the parent node and replace the node with a placeholder
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entry.placeholder = document.createElement("span");
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node.parentNode.replaceChild(entry.placeholder, node);
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_rowTemplate.placeholders.push({
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"widget": entry.widget,
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"func": this._compileDOMAccessFunc(_rowTemplate.row,
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entry.placeholder)
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});
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}
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}
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}
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},
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_nodeIndex: function(_node) {
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if(_node.parentNode == null)
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{
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return 0;
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}
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for (var i = 0; i < _node.parentNode.childNodes.length; i++)
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{
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if (_node.parentNode.childNodes[i] == _node)
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{
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return i;
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}
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}
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return -1;
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},
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/**
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* Returns a function which does a relative access on the given DOM-Node
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*/
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_compileDOMAccessFunc: function(_root, _target) {
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function recordPath(_root, _target, _path)
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{
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if (typeof _path == "undefined")
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{
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_path = [];
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}
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if (_root != _target && _target)
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{
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// Get the index of _target in its parent node
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var idx = this._nodeIndex(_target);
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if (idx >= 0)
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{
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// Add the access selector
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_path.unshift("childNodes[" + idx + "]");
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// Record the remaining path
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return recordPath.call(this, _root, _target.parentNode, _path);
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}
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throw("Internal error while compiling DOM access function.");
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}
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else
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{
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_path.unshift("_node");
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return "return " + _path.join(".") + ";";
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}
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}
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return new Function("_node", recordPath.call(this, _root, _target));
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},
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/**
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* Builds relative paths to the DOM-Nodes and compiles fast-access functions
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*/
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_buildNodeAccessFuncs: function(_rowTemplate) {
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for (var i = 0; i < _rowTemplate.seperated.detachable.length; i++)
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{
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var entry = _rowTemplate.seperated.detachable[i];
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// Get all needed nodes from the widget
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var nodes = entry.widget.getDetachedNodes();
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var nodeFuncs = entry.nodeFuncs = new Array(nodes.length);
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// Record the path to each DOM-Node
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for (var j = 0; j < nodes.length; j++)
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{
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nodeFuncs[j] = this._compileDOMAccessFunc(_rowTemplate.row,
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nodes[j]);
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}
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}
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},
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/**
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* Applies additional row data (like the class) to the tr
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*/
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_setRowData: function (_data, _tr, _mgrs) {
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// TODO: Implement other fields than "class"
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if (_data["class"])
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{
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var classes = _mgrs["content"].expandName(_data["class"]);
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// Get fancy with categories
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var cats = [];
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// Assume any numeric class is a category
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if(_data["class"].indexOf("cat") !== -1 || classes.match(/[0-9]+/))
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{
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// Accept either cat, cat_id or category as ID, and look there for category settings
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var category_location = _data["class"].match(/(cat(_id|egory)?)/);
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if(category_location) category_location = category_location[0];
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// Get actual categories, eg. "cat_15" or "123,456,789", make sure to not match numbers inside other class-names
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cats = classes.match(/(^| |,|cat_)([0-9]+)( |,|$)/g);
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if (!cats) cats = [];
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classes = classes.replace(/(^| |,|cat_)([0-9]+)( |,|$)/g, '');
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// Get category info
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if(!this.categories)
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{
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// Nextmatch category filter should put them here
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var categories = _mgrs["sel_options"].getEntry('cat_id');
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// If not using category (tracker, calendar list) look for sel_options in the rows
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if(!categories) categories = _mgrs["sel_options"].parentMgr.getEntry(category_location);
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if(!categories) categories = _mgrs["sel_options"].getEntry("${row}["+category_location + "]");
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// Cache
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if(categories) this.categories = categories;
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}
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for(var i = 0; i < cats.length; i++)
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{
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// Need cat_, classes can't start with a number
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var cat_id = cats[i];
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cat_id = cat_id.replace(/[^0-9]/g, '');
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var cat_class = 'cat_'+cat_id;
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// Check for existing class
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// TODO
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// Create class
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if(this.categories && this.categories[cat_id] && this.categories[cat_id].color)
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{
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var cat = this.categories[cat_id];
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this._rootWidget.egw().css('.'+cat_class, "background-color: " + cat.color + ";");
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classes += ' '+cat_class;
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}
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}
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classes += " row_category";
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}
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_tr.setAttribute("class", classes);
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}
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if(_data['valign'])
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{
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var align = _mgrs["content"].expandName(_data["valign"]);
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_tr.setAttribute("valign", align);
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}
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}
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});
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var et2_nextmatch_rowWidget = et2_widget.extend(et2_IDOMNode, {
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init: function(_mgrs, _row) {
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// Call the parent constructor with some dummy attributes
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this._super(null, {"id": "", "type": "rowWidget"});
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// Initialize some variables
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this._widgets = [];
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// Copy the given DOM node and the content arrays
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this._mgrs = _mgrs;
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this._row = _row;
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},
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/**
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* Copies the given array manager and clones the given widgets and inserts
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* them into the row which has been passed in the constructor.
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*/
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createWidgets: function(_widgets) {
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// Clone the given the widgets with this element as parent
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this._widgets = new Array(_widgets.length);
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for (var i = 0; i < _widgets.length; i++)
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{
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this._widgets[i] = _widgets[i].clone(this);
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this._widgets[i].loadingFinished();
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// Set column alignment from widget
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if(this._widgets[i].align)
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{
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this._row.childNodes[i].align = this._widgets[i].align;
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}
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}
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},
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/**
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* Returns the column node for the given sender
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*/
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getDOMNode: function(_sender) {
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for (var i = 0; i < this._widgets.length; i++)
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{
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if (this._widgets[i] == _sender)
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{
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return this._row.childNodes[i].childNodes[0]; // Return the i-th td tag
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|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
});
|
|
|
|
var et2_nextmatch_rowTemplateWidget = et2_widget.extend(et2_IDOMNode, {
|
|
|
|
init: function(_root, _row) {
|
|
// Call the parent constructor with some dummy attributes
|
|
this._super(null, {"id": "", "type": "rowTemplateWidget"});
|
|
|
|
this._root = _root;
|
|
this._mgrs = {};
|
|
this._row = _row;
|
|
|
|
// Set parent to root widget, so sub-widget calls still work
|
|
this._parent = _root;
|
|
|
|
// Clone the widgets inside the placeholders array
|
|
this._widgets = [];
|
|
},
|
|
|
|
createWidgets: function(_mgrs, _widgets) {
|
|
// Set the array managers - don't use setArrayMgrs here as this creates
|
|
// an unnecessary copy of the object
|
|
this._mgrs = _mgrs;
|
|
|
|
this._widgets = new Array(_widgets.length);
|
|
for (var i = 0; i < _widgets.length; i++)
|
|
{
|
|
this._row.childNodes[0].childNodes[0];
|
|
|
|
this._widgets[i] = {
|
|
"widget": _widgets[i].widget.clone(this),
|
|
"node": _widgets[i].func(this._row)
|
|
};
|
|
this._widgets[i].widget.loadingFinished();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Returns the column node for the given sender
|
|
*/
|
|
getDOMNode: function(_sender) {
|
|
|
|
for (var i = 0; i < this._widgets.length; i++)
|
|
{
|
|
if (this._widgets[i].widget == _sender)
|
|
{
|
|
return this._widgets[i].node;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
});
|
|
|
|
|