egroupware/etemplate/js/et2_dataview_view_tile.js

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/**
* EGroupware eTemplate2 - dataview code
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage dataview
* @link http://www.egroupware.org
* @author Nathan Gray
* @copyright Nathan Gray 2014
* @version $Id: et2_dataview_view_container_1.js 46338 2014-03-20 09:40:37Z ralfbecker $
*/
/*egw:uses
jquery.jquery;
et2_dataview_interfaces;
*/
/**
* Displays tiles or thumbnails (squares) instead of full rows.
*
* It's important that the template specifies a fixed width and height (via CSS)
* so that the rows and columns work out properly.
*
* @augments et2_dataview_container
*/
var et2_dataview_tile = (function(){ "use strict"; return et2_dataview_row.extend([],
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{
columns: 4,
/**
* Creates the row container. Use the "setRow" function to load the actual
* row content.
*
* @param _parent is the row parent container.
* @memberOf et2_dataview_row
*/
init: function(_parent) {
// Call the inherited constructor
this._super(_parent);
// Make sure the needed class is there to get the CSS
this.tr.addClass('tile');
},
makeExpandable: function (_expandable, _callback, _context) {
// Nope. It mostly works, it's just weird.
},
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getAvgHeightData: function() {
var res = {
"avgHeight": this.getHeight() / this.columns,
"avgCount": this.columns
};
return res;
},
/**
* Returns the height for the tile.
*
* This is where we do the magic. If a new row should start, we return the proper
* height. If this should be another tile in the same row, we say it has 0 height.
* @returns {Number}
*/
getHeight: function() {
if(this._index % this.columns == 0)
{
return this._super();
}
else
{
return 0;
}
},
/**
* Broadcasts an invalidation through the container tree. Marks the own
* height as invalid.
*/
invalidate: function() {
if(this._inTree && this.tr)
{
var template_width = $j('.innerContainer',this.tr).children().outerWidth(true);
if(template_width)
{
this.tr.css('width', template_width + (this.tr.outerWidth(true) - this.tr.width()));
}
}
this._recalculate_columns();
this._super();
},
/**
* Recalculate how many columns we can fit in a row.
* While browser takes care of the actual layout, we need this for proper
* pagination.
*/
_recalculate_columns: function() {
if(this._inTree && this.tr && this.tr.parent())
{
this.columns = Math.max(1,parseInt(this.tr.parent().innerWidth() / this.tr.outerWidth(true)));
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}
}
});}).call(this);