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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
(function($) {
$.fn.makeResizable = function(options) {
options = options || {};
options.always = options.always || false;
options.grippie = options.grippie || null;
options.minWidth = options.minWidth || 100;
options.maxWidth = options.maxWidth || null;
options.minHeight = options.minHeight || 32;
options.maxHeight = options.maxHeight || null;
if (!options.always && $.browser.safari && parseInt($.browser.version) >= 522)
return this; // safari3 and later provides textarea resizing natively
return this.each(function() {
var grippie = options.grippie;
if (!grippie) grippie = $("<div></div>").appendTo(this.parentNode);
grippie.addClass("grippie");
var elem = $(this);
grippie.mousedown(function(e) {
var pos = {x: e.screenX, y: e.screenY};
var dimensions = {width: elem.width(), height: elem.height()};
$(document)
.mousemove(function(e) {
if (options.horizontal) {
var offset = e.screenX - pos.x;
if (offset) {
var newWidth = dimensions.width + offset;
if (newWidth >= options.minWidth &&
(!options.maxWidth || newWidth <= options.maxWidth)) {
elem.width(newWidth);
dimensions.width = newWidth;
}
pos.x = e.screenX;
}
}
if (options.vertical) {
var offset = e.screenY - pos.y;
if (offset) {
var newHeight = dimensions.height + offset;
if (newHeight >= options.minHeight &&
(!options.maxHeight || newHeight <= options.maxHeight)) {
elem.height(newHeight);
dimensions.height = newHeight;
}
pos.y = e.screenY;
}
}
document.onselectstart = function() { return false }; // for IE
return false;
})
.one("mouseup", function() {
$(document).unbind("mousemove");
document.onselectstart = null; // for IE
});
return false;
});
});
}
})(jQuery);
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