/**
|
* EasyUI for jQuery 1.8.6
|
*
|
* Copyright (c) 2009-2019 www.jeasyui.com. All rights reserved.
|
*
|
* Licensed under the freeware license: http://www.jeasyui.com/license_freeware.php
|
* To use it on other terms please contact us: info@jeasyui.com
|
*
|
*/
|
/**
|
* resizable - EasyUI for jQuery
|
*
|
*/
|
(function($){
|
function resize(e){
|
var resizeData = e.data;
|
var options = $.data(resizeData.target, 'resizable').options;
|
if (resizeData.dir.indexOf('e') != -1) {
|
var width = resizeData.startWidth + e.pageX - resizeData.startX;
|
width = Math.min(
|
Math.max(width, options.minWidth),
|
options.maxWidth
|
);
|
resizeData.width = width;
|
}
|
if (resizeData.dir.indexOf('s') != -1) {
|
var height = resizeData.startHeight + e.pageY - resizeData.startY;
|
height = Math.min(
|
Math.max(height, options.minHeight),
|
options.maxHeight
|
);
|
resizeData.height = height;
|
}
|
if (resizeData.dir.indexOf('w') != -1) {
|
var width = resizeData.startWidth - e.pageX + resizeData.startX;
|
width = Math.min(
|
Math.max(width, options.minWidth),
|
options.maxWidth
|
);
|
resizeData.width = width;
|
resizeData.left = resizeData.startLeft + resizeData.startWidth - resizeData.width;
|
}
|
if (resizeData.dir.indexOf('n') != -1) {
|
var height = resizeData.startHeight - e.pageY + resizeData.startY;
|
height = Math.min(
|
Math.max(height, options.minHeight),
|
options.maxHeight
|
);
|
resizeData.height = height;
|
resizeData.top = resizeData.startTop + resizeData.startHeight - resizeData.height;
|
}
|
}
|
|
function applySize(e){
|
var resizeData = e.data;
|
var t = $(resizeData.target);
|
t.css({
|
left: resizeData.left,
|
top: resizeData.top
|
});
|
if (t.outerWidth() != resizeData.width){t._outerWidth(resizeData.width)}
|
if (t.outerHeight() != resizeData.height){t._outerHeight(resizeData.height)}
|
}
|
|
function doDown(e){
|
$.fn.resizable.isResizing = true;
|
$.data(e.data.target, 'resizable').options.onStartResize.call(e.data.target, e);
|
return false;
|
}
|
|
function doMove(e){
|
resize(e);
|
if ($.data(e.data.target, 'resizable').options.onResize.call(e.data.target, e) != false){
|
applySize(e)
|
}
|
return false;
|
}
|
|
function doUp(e){
|
$.fn.resizable.isResizing = false;
|
resize(e, true);
|
applySize(e);
|
$.data(e.data.target, 'resizable').options.onStopResize.call(e.data.target, e);
|
$(document).unbind('.resizable');
|
$('body').css('cursor','');
|
return false;
|
}
|
|
// get the resize direction
|
function getDirection(e) {
|
var opts = $(e.data.target).resizable('options');
|
var tt = $(e.data.target);
|
var dir = '';
|
var offset = tt.offset();
|
var width = tt.outerWidth();
|
var height = tt.outerHeight();
|
var edge = opts.edge;
|
if (e.pageY > offset.top && e.pageY < offset.top + edge) {
|
dir += 'n';
|
} else if (e.pageY < offset.top + height && e.pageY > offset.top + height - edge) {
|
dir += 's';
|
}
|
if (e.pageX > offset.left && e.pageX < offset.left + edge) {
|
dir += 'w';
|
} else if (e.pageX < offset.left + width && e.pageX > offset.left + width - edge) {
|
dir += 'e';
|
}
|
|
var handles = opts.handles.split(',');
|
handles = $.map(handles, function(h){return $.trim(h).toLowerCase();});
|
if ($.inArray('all', handles) >= 0 || $.inArray(dir, handles) >= 0){
|
return dir;
|
}
|
for(var i=0; i<dir.length; i++){
|
var index = $.inArray(dir.substr(i,1), handles);
|
if (index >= 0){
|
return handles[index];
|
}
|
}
|
return '';
|
}
|
|
$.fn.resizable = function(options, param){
|
if (typeof options == 'string'){
|
return $.fn.resizable.methods[options](this, param);
|
}
|
|
return this.each(function(){
|
var opts = null;
|
var state = $.data(this, 'resizable');
|
if (state) {
|
$(this).unbind('.resizable');
|
opts = $.extend(state.options, options || {});
|
} else {
|
opts = $.extend({}, $.fn.resizable.defaults, $.fn.resizable.parseOptions(this), options || {});
|
$.data(this, 'resizable', {
|
options:opts
|
});
|
}
|
|
if (opts.disabled == true) {
|
return;
|
}
|
$(this).bind('mousemove.resizable', {target:this}, function(e){
|
if ($.fn.resizable.isResizing){return}
|
var dir = getDirection(e);
|
$(e.data.target).css('cursor', dir ? dir+'-resize' : '');
|
}).bind('mouseleave.resizable', {target:this}, function(e){
|
$(e.data.target).css('cursor', '');
|
}).bind('mousedown.resizable', {target:this}, function(e){
|
var dir = getDirection(e);
|
if (dir == ''){return;}
|
|
function getCssValue(css) {
|
var val = parseInt($(e.data.target).css(css));
|
if (isNaN(val)) {
|
return 0;
|
} else {
|
return val;
|
}
|
}
|
|
var data = {
|
target: e.data.target,
|
dir: dir,
|
startLeft: getCssValue('left'),
|
startTop: getCssValue('top'),
|
left: getCssValue('left'),
|
top: getCssValue('top'),
|
startX: e.pageX,
|
startY: e.pageY,
|
startWidth: $(e.data.target).outerWidth(),
|
startHeight: $(e.data.target).outerHeight(),
|
width: $(e.data.target).outerWidth(),
|
height: $(e.data.target).outerHeight(),
|
deltaWidth: $(e.data.target).outerWidth() - $(e.data.target).width(),
|
deltaHeight: $(e.data.target).outerHeight() - $(e.data.target).height()
|
};
|
$(document).bind('mousedown.resizable', data, doDown);
|
$(document).bind('mousemove.resizable', data, doMove);
|
$(document).bind('mouseup.resizable', data, doUp);
|
$('body').css('cursor', dir+'-resize');
|
});
|
});
|
};
|
|
$.fn.resizable.methods = {
|
options: function(jq){
|
return $.data(jq[0], 'resizable').options;
|
},
|
enable: function(jq){
|
return jq.each(function(){
|
$(this).resizable({disabled:false});
|
});
|
},
|
disable: function(jq){
|
return jq.each(function(){
|
$(this).resizable({disabled:true});
|
});
|
}
|
};
|
|
$.fn.resizable.parseOptions = function(target){
|
var t = $(target);
|
return $.extend({},
|
$.parser.parseOptions(target, [
|
'handles',{minWidth:'number',minHeight:'number',maxWidth:'number',maxHeight:'number',edge:'number'}
|
]), {
|
disabled: (t.attr('disabled') ? true : undefined)
|
})
|
};
|
|
$.fn.resizable.defaults = {
|
disabled:false,
|
handles:'n, e, s, w, ne, se, sw, nw, all',
|
minWidth: 10,
|
minHeight: 10,
|
maxWidth: 10000,//$(document).width(),
|
maxHeight: 10000,//$(document).height(),
|
edge:5,
|
onStartResize: function(e){},
|
onResize: function(e){},
|
onStopResize: function(e){}
|
};
|
|
$.fn.resizable.isResizing = false;
|
|
})(jQuery);
|
