egroupware/api/js/etemplate/et2_dataview_view_resizeable.js

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2020-01-30 00:05:01 +01:00
"use strict";
/**
* 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 $Id$
*/
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Object.defineProperty(exports, "__esModule", { value: true });
/**
* This set of functions is currently only supporting resizing in ew-direction
*/
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var et2_dataview_view_resizable = /** @class */ (function () {
function et2_dataview_view_resizable() {
}
// In resize region returns whether the mouse is currently in the
// "resizeRegion"
et2_dataview_view_resizable.inResizeRegion = function (_x, _elem) {
var ol = _x - _elem.offset().left;
return (ol > (_elem.outerWidth(true) - et2_dataview_view_resizable.RESIZE_BORDER));
};
et2_dataview_view_resizable.startResize = function (_outerElem, _elem, _callback, _column) {
if (this.overlay == null || this.helper == null) {
// Prevent text selection
// FireFox handles highlight prevention (text selection) different than other browsers
if (typeof _elem[0].style.MozUserSelect != "undefined") {
_elem[0].style.MozUserSelect = "none";
}
else {
_elem[0].onselectstart = function () {
return false;
};
}
// Indicate resizing is in progress
jQuery(_outerElem).addClass('egwResizing');
// Reset the "didResize" flag
this.didResize = false;
// Create the resize helper
var left = _elem.offset().left;
this.helper = jQuery(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
this.overlay = jQuery(document.createElement("div"))
.addClass("egwResizeOverlay")
.bind("mousemove", function (e) {
this.didResize = true;
this.resizeWidth = Math.max(e.pageX - left + et2_dataview_view_resizable.RESIZE_ADD, _column && _column.minWidth ? _column.minWidth : et2_dataview_view_resizable.RESIZE_MIN_WIDTH);
this.helper.css("width", this.resizeWidth + "px");
}.bind(this))
.bind("mouseup", function () {
this.stopResize(_outerElem);
// Reset text selection
_elem[0].onselectstart = null;
// Call the callback if the user actually performed a resize
if (this.didResize) {
_callback(this.resizeWidth);
}
}.bind(this))
.appendTo("body");
}
};
et2_dataview_view_resizable.stopResize = function (_outerElem) {
jQuery(_outerElem).removeClass('egwResizing');
if (this.helper != null) {
this.helper.remove();
this.helper = null;
}
if (this.overlay != null) {
this.overlay.remove();
this.overlay = null;
}
};
// Define some constants
et2_dataview_view_resizable.RESIZE_BORDER = 12;
et2_dataview_view_resizable.RESIZE_MIN_WIDTH = 25;
et2_dataview_view_resizable.RESIZE_ADD = 2; // Used to ensure mouse is under the resize element after resizing has finished
et2_dataview_view_resizable.helper = null;
et2_dataview_view_resizable.overlay = null;
et2_dataview_view_resizable.didResize = false;
et2_dataview_view_resizable.resizeWidth = 0;
et2_dataview_view_resizable.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) {
var stopResize = false;
// Stop switch to resize cursor if the mouse position
// is more intended for scrollbar not the resize edge
// 8pixel is an arbitary number for scrolbar area
if (e.target.clientHeight < e.target.scrollHeight && e.target.offsetWidth - e.offsetX <= 8) {
stopResize = true;
}
_elem.css("cursor", et2_dataview_view_resizable.inResizeRegion(e.pageX, _elem) && !stopResize ? "ew-resize" : "auto");
});
// Bind the "mousedown" event in the "resize" namespace
_elem.bind("mousedown.resize", function (e) {
var stopResize = false;
// Stop resize if the mouse position is more intended
// for scrollbar not the resize edge
// 8pixel is an arbitary number for scrolbar area
if (e.target.clientHeight < e.target.scrollHeight && e.target.offsetWidth - e.offsetX <= 8) {
stopResize = true;
}
// Do not triger startResize if clicked element is select-tag, as it may causes conflict in some browsers
if (et2_dataview_view_resizable.inResizeRegion(e.pageX, _elem) && e.target.tagName != 'SELECT' && !stopResize) {
// Start the resizing
et2_dataview_view_resizable.startResize(outerTable, _elem, function (_w) {
_callback.call(_context, _w);
}, _context);
}
});
// Bind double click for auto-size
_elem.dblclick(function (e) {
// Just show message for relative width columns
if (_context && _context.relativeWidth) {
return egw.message(egw.lang('You tried to automatically size a flex column, which always takes the rest of the space', 'info'));
}
// Find column class - it's usually the first one
var col_class = '';
for (var i = 0; i < this.classList.length; i++) {
if (this.classList[i].indexOf('gridCont') === 0) {
col_class = this.classList[i];
break;
}
}
// Find widest part, including header
var column = jQuery(this);
column.children().css('width', 'auto');
var max_width = column.children().children().innerWidth();
var padding = column.outerWidth(true) - max_width;
var resize = jQuery(this).closest('.egwGridView_outer')
.find('tbody td.' + col_class + '> div:first-child')
.add(column.children())
// Set column width to auto to allow space for everything to flow
.css('width', 'auto');
resize.children()
.css({ 'white-space': 'nowrap' })
.each(function () {
var col = jQuery(this);
// Find visible (text) children and force them to not wrap
var children = col.find('span:visible, time:visible, label:visible')
.css({ 'white-space': 'nowrap' });
this.offsetWidth;
children.each(function () {
var child = jQuery(this);
this.offsetWidth;
if (child.outerWidth() > max_width) {
max_width = child.outerWidth();
}
window.getComputedStyle(this).width;
});
this.offsetWidth;
if (col.innerWidth() > max_width) {
max_width = col.innerWidth();
}
// Reset children
children.css('white-space', '');
children.css('display', '');
})
.css({ 'white-space': '' });
// Reset column
column.children().css('width', '');
resize.css('width', '');
_callback.call(_context, max_width + padding);
});
};
et2_dataview_view_resizable.et2_dataview_resetResizeable = function (_elem) {
// Remove all events in the ".resize" namespace from the element
_elem.unbind(".resize");
};
return et2_dataview_view_resizable;
}());
exports.et2_dataview_view_resizable = et2_dataview_view_resizable;
//# sourceMappingURL=et2_dataview_view_resizeable.js.map