forked from extern/egroupware
389 lines
8.9 KiB
JavaScript
389 lines
8.9 KiB
JavaScript
/**
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* eGroupWare eTemplate2 - JS Nextmatch object
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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 2011
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* @version $Id$
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*/
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"use strict";
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/*egw:uses
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jquery.jquery;
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et2_widget;
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et2_core_interfaces;
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et2_core_DOMWidget;
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et2_widget_template;
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et2_widget_grid;
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et2_widget_selectbox;
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et2_extension_nextmatch_dynheight;
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et2_dataview_view_gridContainer;
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et2_dataview_model_dataProvider;
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*/
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/**
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* Interface all special nextmatch header elements have to implement.
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*/
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var et2_INextmatchHeader = new Interface({
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/**
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* The 'setNextmatch' function is called by the parent nextmatch widget
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* and tells the nextmatch header widgets which widget they should direct
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* their 'sort', 'search' or 'filter' calls to.
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*/
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setNextmatch: function(_nextmatch) {}
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});
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var et2_INextmatchSortable = new Interface({
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setSortmode: function(_mode) {}
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});
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/**
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* Class which implements the "nextmatch" XET-Tag
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*/
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var et2_nextmatch = et2_DOMWidget.extend(et2_IResizeable, {
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attributes: {
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"template": {
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"name": "Template",
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"type": "string",
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"description": "The id of the template which contains the grid layout."
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}
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},
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legacyOptions: ["template"],
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init: function() {
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this._super.apply(this, arguments);
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this.div = $j(document.createElement("div"))
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.addClass("et2_nextmatch");
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// Create the dynheight component which dynamically scales the inner
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// container.
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this.dynheight = new et2_dynheight(null, this.div, 150);
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// Create the data provider which cares about streaming the row data
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// efficiently to the rows
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this.dataProvider = new et2_dataview_dataProvider();
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// Create the outer grid container
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this.dataviewContainer = new et2_dataview_gridContainer(this.div,
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this.dataProvider);
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this.activeFilters = {};
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},
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/**
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* Destroys all
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*/
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destroy: function() {
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this.dataviewContainer.free();
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this.dataProvider.free();
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this.dynheight.free();
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this._super.apply(this, arguments);
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},
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/**
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* Implements the et2_IResizeable interface - lets the dynheight manager
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* update the width and height and then update the dataview container.
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*/
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resize: function() {
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this.dynheight.update(function(_w, _h) {
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this.dataviewContainer.resize(_w, _h);
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}, this);
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},
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/**
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* Sorts the nextmatch widget by the given ID.
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*
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* @param _id is the id of the data entry which should be sorted.
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* @param _asc if true, the elements are sorted ascending, otherwise
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* descending. If not set, the sort direction will be determined
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* automatically.
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*/
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sortBy: function(_id, _asc) {
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// Create the "sort" entry in the active filters if it did not exist
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// yet.
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if (typeof this.activeFilters["sort"] == "undefined")
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{
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this.activeFilters["sort"] = {
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"id": null,
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"asc": true
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};
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}
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// Determine the sort direction automatically if it is not set
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if (typeof _asc == "undefined")
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{
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if (this.activeFilters["sort"].id == _id)
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{
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_asc = !this.activeFilters["sort"].asc;
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}
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}
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// Update the entry in the activeFilters object
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this.activeFilters["sort"] = {
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"id": _id,
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"asc": _asc
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}
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// Set the sortmode display
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this.iterateOver(function(_widget) {
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_widget.setSortmode((_widget.id == _id) ? (_asc ? "asc": "desc") : "none");
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}, this, et2_INextmatchSortable);
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et2_debug("info", "Sorting nextmatch by '" + _id + "' in direction '" +
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(_asc ? "asc" : "desc") + "'");
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},
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/**
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* Removes the sort entry from the active filters object and thus returns to
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* the natural sort order.
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*/
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resetSort: function() {
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// Check whether the nextmatch widget is currently sorted
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if (typeof this.activeFilters["sort"] != "undefined")
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{
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// Reset the sortmode
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this.iterateOver(function(_widget) {
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_widget.setSortmode("none");
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}, this, et2_INextmatchSortable);
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// Delete the "sort" filter entry
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delete(this.activeFilters["sort"]);
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this.applyFilters();
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}
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},
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applyFilters: function() {
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et2_debug("info", "Changing nextmatch filters to ", this.activeFilters);
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},
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/**
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* Generates the column name for the given column widget
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*/
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_genColumnCaption: function(_widget) {
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var result = null;
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_widget.iterateOver(function(_widget) {
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if (!result)
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{
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result = _widget.options.label;
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}
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else
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{
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result += ", " + _widget.options.label;
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}
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}, this, et2_INextmatchHeader);
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return result;
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},
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_parseHeaderRow: function(_row, _colData) {
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// Go over the header row and create the column entries
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this.columns = new Array(_row.length);
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var columnData = new Array(_row.length);
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for (var x = 0; x < _row.length; x++)
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{
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this.columns[x] = {
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"widget": _row[x].widget
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};
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columnData[x] = {
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"id": "col_" + x,
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"caption": this._genColumnCaption(_row[x].widget),
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"visibility": _colData[x].disabled ?
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ET2_COL_VISIBILITY_INVISIBLE : ET2_COL_VISIBILITY_VISIBLE,
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"width": _colData[x].width
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};
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// Append the widget to this container
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this.addChild(_row[x].widget);
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}
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// Create the column manager and update the grid container
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this.dataviewContainer.setColumns(columnData);
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},
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_parseGrid: function(_grid) {
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// Search the rows for a header-row - if one is found, parse it
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for (var y = 0; y < _grid.rowData.length; y++)
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{
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if (_grid.rowData[y]["class"] == "th")
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{
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this._parseHeaderRow(_grid.cells[y], _grid.colData);
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}
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}
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},
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/**
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* When the template attribute is set, the nextmatch widget tries to load
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* that template and to fetch the grid which is inside of it. It then calls
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* _parseGrid in order to get the information for the column headers etc.
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*/
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set_template: function(_value) {
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if (!this.template)
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{
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// Load the template
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var template = et2_createWidget("template", {"id": _value}, this);
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if (!template.proxiedTemplate)
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{
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et2_debug("error", "Error while loading definition template for" +
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"nextmatch widget.");
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return;
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}
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// Fetch the grid element and parse it
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var definitionGrid = template.proxiedTemplate.getChildren()[0];
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if (definitionGrid && definitionGrid instanceof et2_grid)
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{
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this._parseGrid(definitionGrid);
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}
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else
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{
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et2_debug("error", "Nextmatch widget expects a grid to be the " +
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"first child of the defined template.");
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return;
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}
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// Free the template again
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template.free();
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// Call the "setNextmatch" function of all registered
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// INextmatchHeader widgets.
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this.iterateOver(function (_node) {
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_node.setNextmatch(this);
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}, this, et2_INextmatchHeader);
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}
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},
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getDOMNode: function(_sender) {
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if (_sender == this)
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{
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return this.div[0];
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}
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for (var i = 0; i < this.columns.length; i++)
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{
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if (_sender == this.columns[i].widget)
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{
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return this.dataviewContainer.getHeaderContainerNode(i);
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}
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}
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return null;
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}
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});
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et2_register_widget(et2_nextmatch, ["nextmatch"]);
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/**
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* Classes for the nextmatch sortheaders etc.
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*/
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var et2_nextmatch_header = et2_baseWidget.extend(et2_INextmatchHeader, {
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attributes: {
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"label": {
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"name": "Caption",
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"type": "string",
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"description": "Caption for the nextmatch header",
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"translate": true
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}
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},
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init: function() {
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this._super.apply(this, arguments);
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this.labelNode = $j(document.createElement("span"));
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this.nextmatch = null;
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this.setDOMNode(this.labelNode[0]);
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},
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destroy: function() {
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this._super.apply(this, arguments);
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},
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/**
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* Set nextmatch is the function which has to be implemented for the
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* et2_INextmatchHeader interface.
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*/
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setNextmatch: function(_nextmatch) {
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this.nextmatch = _nextmatch;
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},
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set_label: function(_value) {
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this.label = _value;
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this.labelNode.text(_value);
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}
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});
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et2_register_widget(et2_nextmatch_header, ['nextmatch-header',
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'nextmatch-customfilter', 'nextmatch-customfields']);
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var et2_nextmatch_sortheader = et2_nextmatch_header.extend(et2_INextmatchSortable, {
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init: function() {
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this._super.apply(this, arguments);
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this.sortmode = "none";
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this.labelNode.addClass("nextmatch_sortheader none");
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},
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click: function() {
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if (this.nextmatch && this._super.apply(this, arguments))
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{
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this.nextmatch.sortBy(this.id);
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return true;
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}
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return false;
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},
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/**
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* Function which implements the et2_INextmatchSortable function.
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*/
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setSortmode: function(_mode) {
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// Remove the last sortmode class and add the new one
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this.labelNode.removeClass(this.sortmode)
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.addClass(_mode);
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this.sortmode = _mode;
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}
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});
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et2_register_widget(et2_nextmatch_sortheader, ['nextmatch-sortheader']);
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var et2_nextmatch_filterheader = et2_selectbox.extend(et2_INextmatchHeader, {
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/**
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* Set nextmatch is the function which has to be implemented for the
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* et2_INextmatchHeader interface.
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*/
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setNextmatch: function(_nextmatch) {
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this.nextmatch = _nextmatch;
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}
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});
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et2_register_widget(et2_nextmatch_filterheader, ['nextmatch-filterheader',
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'nextmatch-accountfilter']);
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