mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-23 00:13:35 +01:00
133 lines
3.1 KiB
JavaScript
133 lines
3.1 KiB
JavaScript
/**
|
|
* EGroupware eTemplate2 - Functions which allow resizing of table headers
|
|
*
|
|
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
|
|
* @package etemplate
|
|
* @subpackage dataview
|
|
* @link http://www.egroupware.org
|
|
* @author Andreas Stöckel
|
|
* @copyright Stylite 2011
|
|
* @version $Id$
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
/**
|
|
* This set of functions is currently only supporting resizing in ew-direction
|
|
*/
|
|
|
|
(function() {
|
|
|
|
// Define some constants
|
|
var RESIZE_BORDER = 12;
|
|
var RESIZE_MIN_WIDTH = 25;
|
|
var RESIZE_ADD = 2; // Used to ensure mouse is under the resize element after resizing has finished
|
|
|
|
// In resize region returns whether the mouse is currently in the
|
|
// "resizeRegion"
|
|
function inResizeRegion(_x, _elem)
|
|
{
|
|
var ol = _x - _elem.offset().left;
|
|
return (ol > (_elem.outerWidth(true) - RESIZE_BORDER));
|
|
}
|
|
|
|
var helper = null;
|
|
var overlay = null;
|
|
var didResize = false;
|
|
var resizeWidth = 0;
|
|
|
|
function startResize(_outerElem, _elem, _callback)
|
|
{
|
|
if (overlay == null || helper == null)
|
|
{
|
|
// Prevent text selection
|
|
_elem[0].onselectstart = function() {
|
|
return false;
|
|
};
|
|
|
|
// Reset the "didResize" flag
|
|
didResize = false;
|
|
|
|
// Create the resize helper
|
|
var left = _elem.offset().left;
|
|
helper = $j(document.createElement("div"))
|
|
.addClass("egwResizeHelper")
|
|
.appendTo("body")
|
|
.css("top", _elem.offset().top + "px")
|
|
.css("left", left + "px")
|
|
.css("height", _outerElem.outerHeight(true) + "px");
|
|
|
|
// Create the overlay which will be catching the mouse movements
|
|
overlay = $j(document.createElement("div"))
|
|
.addClass("egwResizeOverlay")
|
|
|
|
.bind("mousemove", function(e) {
|
|
didResize = true;
|
|
resizeWidth = Math.max(e.pageX - left + RESIZE_ADD,
|
|
RESIZE_MIN_WIDTH);
|
|
helper.css("width", resizeWidth + "px");
|
|
})
|
|
|
|
.bind("mouseup", function() {
|
|
stopResize();
|
|
|
|
// Reset text selection
|
|
_elem[0].onselectstart = null;
|
|
|
|
// Call the callback if the user actually performed a resize
|
|
if (didResize)
|
|
{
|
|
_callback(resizeWidth);
|
|
}
|
|
})
|
|
.appendTo("body");
|
|
}
|
|
}
|
|
|
|
function stopResize()
|
|
{
|
|
if (helper != null)
|
|
{
|
|
helper.remove();
|
|
helper = null;
|
|
}
|
|
|
|
if (overlay != null)
|
|
{
|
|
overlay.remove();
|
|
overlay = null;
|
|
}
|
|
}
|
|
|
|
this.et2_dataview_makeResizeable = function(_elem, _callback, _context)
|
|
{
|
|
// Get the table surrounding the given element - this element is used to
|
|
// align the helper properly
|
|
var outerTable = _elem.closest("table");
|
|
|
|
// Bind the "mousemove" event in the "resize" namespace
|
|
_elem.bind("mousemove.resize", function(e) {
|
|
_elem.css("cursor", inResizeRegion(e.pageX, _elem) ? "ew-resize" : "auto");
|
|
});
|
|
|
|
// Bind the "mousedown" event in the "resize" namespace
|
|
_elem.bind("mousedown.resize", function(e) {
|
|
if (inResizeRegion(e.pageX, _elem))
|
|
{
|
|
// Start the resizing
|
|
startResize(outerTable, _elem, function(_w) {
|
|
_callback.call(_context, _w);
|
|
});
|
|
}
|
|
|
|
});
|
|
};
|
|
|
|
this.et2_dataview_resetResizeable = function(_elem)
|
|
{
|
|
// Remove all events in the ".resize" namespace from the element
|
|
_elem.unbind(".resize");
|
|
};
|
|
}).call(window);
|
|
|