forked from extern/egroupware
111 lines
2.5 KiB
TypeScript
111 lines
2.5 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 https://www.egroupware.org
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* @author Nathan Gray
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* @copyright Nathan Gray 2014
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* @version $Id: et2_dataview_view_container_1.js 46338 2014-03-20 09:40:37Z ralfbecker $
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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_dataview_interfaces;
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*/
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import {et2_dataview_row} from "./et2_dataview_view_row";
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/**
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* Displays tiles or thumbnails (squares) instead of full rows.
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*
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* It's important that the template specifies a fixed width and height (via CSS)
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* so that the rows and columns work out properly.
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*
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*/
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export class et2_dataview_tile extends et2_dataview_row
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{
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columns: number = 4;
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/**
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* Creates the row container. Use the "setRow" function to load the actual
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* row content.
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*
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* @param _parent is the row parent container.
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* @memberOf et2_dataview_row
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*/
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constructor(_parent)
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{
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// Call the inherited constructor
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super(_parent);
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// Make sure the needed class is there to get the CSS
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this.tr.addClass('tile');
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}
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makeExpandable(_expandable, _callback, _context)
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{
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// Nope. It mostly works, it's just weird.
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}
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getAvgHeightData()
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{
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var res = {
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"avgHeight": this.getHeight() / this.columns,
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"avgCount": this.columns
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};
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return res;
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}
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/**
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* Returns the height for the tile.
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*
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* This is where we do the magic. If a new row should start, we return the proper
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* height. If this should be another tile in the same row, we say it has 0 height.
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* @returns {Number}
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*/
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getHeight()
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{
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if (this._index % this.columns == 0)
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{
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return super.getHeight();
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}
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else
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{
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return 0;
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}
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}
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/**
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* Broadcasts an invalidation through the container tree. Marks the own
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* height as invalid.
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*/
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invalidate()
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{
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if (this._inTree && this.tr)
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{
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var template_width = jQuery('.innerContainer', this.tr).children().outerWidth(true);
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if (template_width)
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{
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this.tr.css('width', template_width + (this.tr.outerWidth(true) - this.tr.width()));
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}
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}
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this._recalculate_columns();
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super.invalidate();
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}
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/**
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* Recalculate how many columns we can fit in a row.
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* While browser takes care of the actual layout, we need this for proper
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* pagination.
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*/
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_recalculate_columns()
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{
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if (this._inTree && this.tr && this.tr.parent())
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{
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this.columns = Math.max(1, parseInt(this.tr.parent().innerWidth() / this.tr.outerWidth(true)));
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}
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}
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}
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