mirror of
https://github.com/EGroupware/egroupware.git
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668 lines
16 KiB
TypeScript
668 lines
16 KiB
TypeScript
/**
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* EGroupware eTemplate2 - dataview code
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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 dataview
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* @link http://www.egroupware.org
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* @author Andreas Stöckel
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* @copyright Stylite 2011-2012
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* @version $Id$
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*/
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/*egw:uses
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/vendor/bower-asset/jquery/dist/jquery.js;
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et2_core_common;
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et2_dataview_model_columns;
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et2_dataview_view_rowProvider;
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et2_dataview_view_grid;
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et2_dataview_view_resizeable;
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*/
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import {et2_dataview_columns} from './et2_dataview_model_columns';
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import {et2_dataview_view_resizable} from "./et2_dataview_view_resizeable";
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/**
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* The et2_dataview class is the main class for displaying a dataview. The
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* dataview class manages the creation of the outer html nodes (like the table,
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* header, etc.) and contains the root container: an instance of
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* et2_dataview_view_grid, which can be accessed using the "grid" property of
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* this object.
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*
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* @augments Class
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*/
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export class et2_dataview
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{
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/**
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* Constant which regulates the column padding.
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*/
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columnPadding: number;
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/**
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* Some browser dependant variables which will be calculated on creation of
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* the first gridContainer object.
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*/
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scrollbarWidth: number;
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headerBorderWidth: number;
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columnBorderWidth: number;
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private width: number;
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private height: number;
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private uniqueId: string;
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/**
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* Hooks to allow parent to keep up to date if things change
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*/
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onUpdateColumns: Function;
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selectColumnsClick: Function;
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private parentNode: JQuery;
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egw: any;
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private columnNodes: any[];
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private columns: any[];
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private columnMgr: et2_dataview_columns;
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private rowProvider: et2_dataview_rowProvider;
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private grid: et2_dataview_grid;
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// DOM stuff
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private selectColIcon: JQuery;
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private headTr: any;
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private containerTr: JQuery;
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private selectCol: JQuery;
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private thead: JQuery;
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private tbody: JQuery;
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private table: JQuery;
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private visibleColumnCount: number;
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/**
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* Constructor for the grid container
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*
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* @param {DOMElement} _parentNode is the DOM-Node into which the grid view will be inserted
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* @param {egw} _egw
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* @memberOf et2_dataview
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*/
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constructor(_parentNode, _egw) {
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// Copy the arguments
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this.parentNode = jQuery(_parentNode);
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this.egw = _egw;
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// Initialize some variables
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this.columnNodes = []; // Array with the header containers
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this.columns = [];
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this.columnMgr = null;
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this.rowProvider = null;
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this.width = 0;
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this.height = 0;
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this.uniqueId = "gridCont_" + this.egw.uid();
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// Build the base nodes
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this._createElements();
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// Read the browser dependant variables
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this._getDepVars();
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}
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/**
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* Destroys the object, removes all dom nodes and clears all references.
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*/
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destroy()
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{
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// Clear the columns
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this._clearHeader();
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// Free the grid
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if (this.grid)
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{
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this.grid.free();
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}
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// Free the row provider
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if (this.rowProvider)
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{
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this.rowProvider.free();
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}
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// Detatch the outer element
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this.table.remove();
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}
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/**
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* Clears all data rows and reloads them
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*/
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clear()
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{
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if (this.grid)
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{
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this.grid.clear();
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}
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}
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/**
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* Returns the column container node for the given column index
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*
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* @param _columnIdx the integer column index
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*/
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getHeaderContainerNode(_columnIdx)
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{
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if (typeof this.columnNodes[_columnIdx] != "undefined")
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{
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return this.columnNodes[_columnIdx].container[0];
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}
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return null;
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}
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/**
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* Sets the column descriptors and creates the column header according to it.
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* The inner grid will be emptied if it has already been built.
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*/
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setColumns(_columnData)
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{
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// Free all column objects which have been created till this moment
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this._clearHeader();
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// Copy the given column data
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this.columnMgr = new et2_dataview_columns(_columnData);
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// Create the stylesheets
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this.updateColumns();
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// Build the header row
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this._buildHeader();
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// Build the grid
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this._buildGrid();
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}
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/**
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* Resizes the grid
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*/
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resize(_w: number, _h: number)
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{
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// Not fully initialized yet...
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if (!this.columnMgr) return;
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if (this.width != _w)
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{
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this.width = _w;
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// Take grid border width into account
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_w -= (this.table.outerWidth(true) - this.table.innerWidth());
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// Take grid header border's width into account. eg. category colors may add extra pixel into width
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_w = _w - (this.thead.find('tr').outerWidth() - this.thead.find('tr').innerWidth());
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// Rebuild the column stylesheets
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this.columnMgr.setTotalWidth(_w - this.scrollbarWidth);
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this._updateColumns();
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}
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if (this.height != _h)
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{
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this.height = _h;
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// Set the height of the grid.
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if (this.grid)
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{
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this.grid.setScrollHeight(this.height -
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this.headTr.outerHeight(true));
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}
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}
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}
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/**
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* Returns the column manager object. You can use it to set the visibility
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* of columns etc. Call "updateHeader" if you did any changes.
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*/
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getColumnMgr() {
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return this.columnMgr;
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}
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/**
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* Recalculates the stylesheets which determine the column visibility and
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* width.
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*
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* @param setDefault boolean Allow admins to save current settings as default for all users
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*/
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updateColumns(setDefault : boolean = false)
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{
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if (this.columnMgr)
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{
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this._updateColumns();
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}
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// Ability to notify parent / someone else
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if (this.onUpdateColumns)
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{
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this.onUpdateColumns(setDefault);
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}
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}
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/* --- PRIVATE FUNCTIONS --- */
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/* --- Code for building the grid container DOM-Tree elements ---- */
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/**
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* Builds the base DOM-Tree elements
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*/
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private _createElements()
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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.containerTr = jQuery(document.createElement("tr"));
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this.headTr = jQuery(document.createElement("tr"));
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this.thead = jQuery(document.createElement("thead"))
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.append(this.headTr);
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this.tbody = jQuery(document.createElement("tbody"))
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.append(this.containerTr);
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this.table = jQuery(document.createElement("table"))
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.addClass("egwGridView_outer")
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.append(this.thead, this.tbody)
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.appendTo(this.parentNode);
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}
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/* --- Code for building the header row --- */
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/**
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* Clears the header row
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*/
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private _clearHeader ()
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{
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if (this.columnMgr)
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{
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this.columnMgr.destroy();
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this.columnMgr = null;
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}
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// Remove dynamic CSS,
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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].tdClass)
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{
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this.egw.css('.'+this.columns[i].tdClass);
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}
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if(this.columns[i].divClass)
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{
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this.egw.css('.'+this.columns[i].divClass);
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this.egw.css(".egwGridView_outer ." + this.columns[i].divClass);
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this.egw.css(".egwGridView_grid ." + this.columns[i].divClass);
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}
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}
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this.egw.css(".egwGridView_grid ." + this.uniqueId + "_div_fullRow");
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this.egw.css(".egwGridView_outer ." + this.uniqueId + "_td_fullRow");
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this.egw.css(".egwGridView_outer ." + this.uniqueId + "_spacer_fullRow");
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// Reset the headerColumns array and empty the table row
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this.columnNodes = [];
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this.columns = [];
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this.headTr.empty();
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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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private _updateColumns()
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{
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// Copy the columns data
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this.columns = this.columnMgr.getColumnData();
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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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// Set the grid column styles
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var first = true;
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var vis_col = this.visibleColumnCount = 0;
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var totalWidth = 0;
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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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// Update the visibility of the column
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this.egw.css("." + col.tdClass,
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"display: table-cell; " +
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"!important;");
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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 subBorder = 0;
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var subHBorder = 0;
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/*
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if (jQuery.browser.mozilla)
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{
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var maj = jQuery.browser.version.split(".")[0];
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if (maj < 2) {
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subBorder = 1; // Versions <= FF 3.6
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}
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}
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if (jQuery.browser.webkit)
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{
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if (!first)
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{
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subBorder = 1;
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}
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subHBorder = 1;
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}
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if ((jQuery.browser.msie || jQuery.browser.opera) && first)
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{
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subBorder = -1;
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}
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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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subBorder += 1;
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}
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// Write the width of the header columns
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var headerWidth = Math.max(0, (col.width - this.headerBorderWidth - subHBorder));
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this.egw.css(".egwGridView_outer ." + col.divClass,
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"width: " + headerWidth + "px;");
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// Write the width of the body-columns
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var columnWidth = Math.max(0, (col.width - this.columnBorderWidth - subBorder));
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this.egw.css(".egwGridView_grid ." + col.divClass,
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"width: " + columnWidth + "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.egw.css("." + col.tdClass, "display: 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.egw.css(".egwGridView_grid ." + this.uniqueId + "_div_fullRow",
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"width: " + (totalWidth - this.columnBorderWidth - 2) + "px; border-right-width: 0 !important;");
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this.egw.css(".egwGridView_outer ." + this.uniqueId + "_td_fullRow",
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"border-right-width: 0 !important;");
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this.egw.css(".egwGridView_outer ." + this.uniqueId + "_spacer_fullRow",
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"width: " + (totalWidth - 1) + "px; border-right-width: 0 !important;");
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}
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/**
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* Builds the containers for the header row
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*/
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private _buildHeader()
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{
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var self = this;
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var handler = function(event) {
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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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var col = this.columns[i];
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// Create the column header and the container element
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var cont = jQuery(document.createElement("div"))
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.addClass("innerContainer")
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.addClass(col.divClass);
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var column = jQuery(document.createElement("th"))
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.addClass(col.tdClass)
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.attr("align", "left")
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.append(cont)
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.appendTo(this.headTr);
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if(this.columnMgr && this.columnMgr.getColumnById(i))
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{
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column.addClass(this.columnMgr.getColumnById(i).fixedWidth ? 'fixedWidth' : 'relativeWidth');
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if(this.columnMgr.getColumnById(i).visibility === et2_dataview_column.ET2_COL_VISIBILITY_ALWAYS_NOSELECT)
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{
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column.addClass('noResize');
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}
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}
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// make column resizable
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var enc_column = self.columnMgr.getColumnById(col.id);
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if(enc_column.visibility !== et2_dataview_column.ET2_COL_VISIBILITY_ALWAYS_NOSELECT)
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{
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et2_dataview_view_resizable.makeResizeable(column, function(_w) {
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// User wants the column to stay where they put it, even for relative
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// width columns, so set it explicitly first and adjust other relative
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// columns to match.
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if(this.relativeWidth)
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{
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// Set to selected width
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this.set_width(_w + "px");
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self.columnMgr.updated = true;
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// Just triggers recalculation
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self.columnMgr.getColumnWidth(0);
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// Set relative widths to match
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var relative = self.columnMgr.totalWidth - self.columnMgr.totalFixed + _w;
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this.set_width(_w / relative);
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for(var i = 0; i < self.columnMgr.columns.length; i++)
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{
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var col = self.columnMgr.getColumnById(i);
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if(col == this || col.fixedWidth) continue;
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col.set_width(self.columnMgr.getColumnWidth(i) / relative);
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}
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// Triggers column change callback, which saves
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self.updateColumns();
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}
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else
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{
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this.set_width(this.relativeWidth ? (_w / self.columnMgr.totalWidth) : _w + "px");
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self.columnMgr.updated = true;
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self.updateColumns();
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}
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}, enc_column);
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}
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// Store both nodes in the columnNodes array
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this.columnNodes.push({
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"column": column,
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"container": cont
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});
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}
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this._buildSelectCol();
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}
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/**
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* Builds the select cols column
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*/
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private _buildSelectCol()
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{
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// Build the "select columns" icon
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this.selectColIcon = jQuery(document.createElement("span"))
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.addClass("selectcols")
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.css('display', 'inline-block'); // otherwise jQuery('span.selectcols',this.dataview.headTr).show() set it to "inline" causing it to not show up because 0 height
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// Build the option column
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this.selectCol = jQuery(document.createElement("th"))
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.addClass("optcol")
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.append(this.selectColIcon)
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// Toggle display of option popup
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.click(this, function(e) {if(e.data.selectColumnsClick) e.data.selectColumnsClick(e);})
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.appendTo(this.headTr);
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this.selectCol.css("width", this.scrollbarWidth - this.selectCol.outerWidth()
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+ this.selectCol.width() + 1);
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}
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/**
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* Builds the inner grid class
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*/
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private _buildGrid()
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{
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// Create the collection of column ids
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var colIds = new Array(this.columns.length);
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for (var i = 0; i < this.columns.length; i++)
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{
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colIds[i] = this.columns[i].id;
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}
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// Create the row provider
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if (this.rowProvider)
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{
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this.rowProvider.free();
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}
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this.rowProvider = new et2_dataview_rowProvider(this.uniqueId, colIds);
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// Create the grid class and pass "19" as the starting average row height
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this.grid = new et2_dataview_grid(null, null, this.egw, this.rowProvider, 19);
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// Insert the grid into the DOM-Tree
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var tr = jQuery(this.grid._nodes[0]);
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this.containerTr.replaceWith(tr);
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this.containerTr = tr;
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}
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/* --- Code for calculating the browser/css depending widths --- */
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/**
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* Reads the browser dependant variables
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*/
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private _getDepVars()
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{
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if (typeof this.scrollbarWidth === 'undefined')
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{
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// Clone the table and attach it to the outer body tag
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var clone = this.table.clone();
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jQuery(window.top.document.getElementsByTagName("body")[0])
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.append(clone);
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// Read the scrollbar width
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this.scrollbarWidth = this.constructor.prototype.scrollbarWidth =
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this._getScrollbarWidth(clone);
|
|
|
|
// Read the header border width
|
|
this.headerBorderWidth = this.constructor.prototype.headerBorderWidth =
|
|
this._getHeaderBorderWidth(clone);
|
|
|
|
// Read the column border width
|
|
this.columnBorderWidth = this.constructor.prototype.columnBorderWidth =
|
|
this._getColumnBorderWidth(clone);
|
|
|
|
// Remove the cloned DOM-Node again from the outer body
|
|
clone.remove();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Reads the scrollbar width
|
|
*/
|
|
private _getScrollbarWidth(_table: JQuery)
|
|
{
|
|
// Create a temporary td and two divs, which are inserted into the
|
|
// DOM-Tree. The outer div has a fixed size and "overflow" set to auto.
|
|
// When the second div is inserted, it will be forced to display a scrollbar.
|
|
var div_inner = jQuery(document.createElement("div"))
|
|
.css("height", "1000px");
|
|
var div_outer = jQuery(document.createElement("div"))
|
|
.css("height", "100px")
|
|
.css("width", "100px")
|
|
.css("overflow", "auto")
|
|
.append(div_inner);
|
|
var td = jQuery(document.createElement("td"))
|
|
.append(div_outer);
|
|
|
|
// Store the scrollbar width statically.
|
|
jQuery("tbody tr", _table).append(td);
|
|
var width = Math.max(10, div_outer.outerWidth() - div_inner.outerWidth());
|
|
|
|
// Remove the elements again
|
|
div_outer.remove();
|
|
|
|
return width;
|
|
}
|
|
|
|
/**
|
|
* Calculates the total width of the header column border
|
|
*/
|
|
private _getHeaderBorderWidth(_table: JQuery)
|
|
{
|
|
// Create a temporary th which is appended to the outer thead row
|
|
var cont = jQuery(document.createElement("div"))
|
|
.addClass("innerContainer");
|
|
|
|
var th = jQuery(document.createElement("th"))
|
|
.append(cont);
|
|
|
|
// Insert the th into the document tree
|
|
jQuery("thead tr", _table).append(th);
|
|
|
|
// Calculate the total border width
|
|
var width = th.outerWidth(true) - cont.width();
|
|
|
|
// Remove the appended element again
|
|
th.remove();
|
|
|
|
return width;
|
|
}
|
|
|
|
/**
|
|
* Calculates the total width of the column border
|
|
*/
|
|
private _getColumnBorderWidth(_table: JQuery)
|
|
{
|
|
// Create a temporary th which is appended to the outer thead row
|
|
var cont = jQuery(document.createElement("div"))
|
|
.addClass("innerContainer");
|
|
|
|
var td = jQuery(document.createElement("td"))
|
|
.append(cont);
|
|
|
|
// Insert the th into the document tree
|
|
jQuery("tbody tr", _table).append(td);
|
|
|
|
// Calculate the total border width
|
|
_table.addClass("egwGridView_grid");
|
|
var width = td.outerWidth(true) - cont.width();
|
|
|
|
// Remove the appended element again
|
|
td.remove();
|
|
|
|
return width;
|
|
}
|
|
|
|
}
|
|
|