Added patch for resizeable preview pane
thomascube
18 years ago
parent
5b0687dfca
commit
a7d5c6480c
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/**
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* RoundCube splitter GUI class
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*
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* @constructor
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*/
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function rcube_splitter(attrib)
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{
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this.p1id = attrib.p1;
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this.p2id = attrib.p2;
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this.id = attrib.id ? attrib.id : this.p1id + '_' + this.p2id + '_splitter';
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this.orientation = attrib.orientation;
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this.horizontal = (this.orientation == 'horizontal' || this.orientation == 'h');
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this.offset_1 = bw.ie ? 0 : (bw.safari ? 2 : -1);
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this.offset_2 = bw.ie ? -2 : (bw.safari ? -2 : 1);
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this.pos = 0;
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this.init = function()
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{
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this.p1 = document.getElementById(this.p1id);
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this.p2 = document.getElementById(this.p2id);
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// create and position the handle for this splitter
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this.p1pos = rcube_get_object_pos(this.p1);
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this.p2pos = rcube_get_object_pos(this.p2);
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var top = this.p1pos.y + this.p1.offsetHeight;
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var height = this.p2pos.y - this.p1pos.y - this.p1.offsetHeight;
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var left = this.p1pos.x + this.p1.offsetWidth;
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var width = this.p2pos.x - this.p1pos.x - this.p1.offsetWidth;
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if (this.horizontal)
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this.layer = new rcube_layer(this.id, {x: this.p1pos.x, y: top, height: height, width: this.p1.offsetWidth, vis: 1});
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else
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this.layer = new rcube_layer(this.id, {x: left, y: this.p1pos.y, width: width, height: this.p1.offsetHeight, vis: 1});
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this.elm = this.layer.elm;
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this.elm.className = 'splitter '+(this.horizontal ? 'splitter-h' : 'splitter-v');
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// add the mouse event listeners
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rcube_event.add_listener({element: this.elm, event:'mousedown', object:this, method:'onDragStart'});
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rcube_event.add_listener({element: window, event:'resize', object:this, method:'onResize'});
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// read saved position form cookie
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var cookie = bw.get_cookie(this.id);
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if (cookie)
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{
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var param = cookie.split(':');
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for (var i=0, p; i<param.length; i++)
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{
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p = param[i].split('=');
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this[p[0]] = !isNaN(p[1]) ? parseFloat(p[1]) : p[1];
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}
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this.resize();
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}
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};
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/**
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* Set size and position of all DOM objects
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* according to the saved splitter position
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*/
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this.resize = function()
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{
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if (this.horizontal)
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{
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this.p1.style.height = Math.floor(this.pos - this.p1pos.y - this.layer.height / 2 + this.offset_1) + 'px';
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this.p2.style.top = Math.ceil(this.pos + (this.layer.height / 2 + this.offset_2)) + 'px';
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this.layer.move(this.layer.x, Math.round(this.pos - this.layer.height / 2 + 1));
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}
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else
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{
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this.p1.style.width = Math.floor(this.pos - this.p1pos.x - this.layer.width / 2 + this.offset_1) + 'px';
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this.p2.style.left = Math.ceil(this.pos + this.layer.width / 2 + this.offset_2) + 'px';
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this.layer.move(Math.round(this.pos - this.layer.width / 2 + 1), this.layer.y);
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}
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};
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/**
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* Handler for mousedown events
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*/
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this.onDragStart = function(e)
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{
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this.p1pos = rcube_get_object_pos(this.p1);
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this.p2pos = rcube_get_object_pos(this.p2);
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// start listening to mousemove events
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rcube_event.add_listener({element:document, event:'mousemove', object:this, method:'onDrag'});
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rcube_event.add_listener({element:document, event:'mouseup', object:this, method:'onDragStop'});
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// need to listen in any iframe documents too, b/c otherwise the splitter stops moving when we move over an iframe
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var iframes = document.getElementsByTagName('IFRAME');
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this.iframe_events = Object();
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for (var n in iframes)
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{
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var iframedoc = null;
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if (iframes[n].contentDocument)
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iframedoc = iframes[n].contentDocument;
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else if (iframes[n].contentWindow)
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iframedoc = iframes[n].contentWindow.document;
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else if (iframes[n].document)
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iframedoc = iframes[n].document;
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if (iframedoc)
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{
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// I don't use the add_listener function for this one because I need to create closures to fetch
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// the position of each iframe when the event is received
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var s = this;
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var id = iframes[n].id;
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this.iframe_events[n] = function(e){ e._rc_pos_offset = rcube_get_object_pos(document.getElementById(id)); return s.onDrag(e); }
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if (iframedoc.addEventListener)
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iframedoc.addEventListener('mousemove', this.iframe_events[n], false);
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else if (iframes[n].attachEvent)
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iframedoc.attachEvent('onmousemove', this.iframe_events[n]);
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else
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iframedoc['onmousemove'] = this.iframe_events[n];
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rcube_event.add_listener({element:iframedoc, event:'mouseup', object:this, method:'onDragStop'});
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}
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}
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}
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/**
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* Handler for mousemove events
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*/
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this.onDrag = function(e)
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{
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var pos = rcube_event.get_mouse_pos(e);
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if (e._rc_pos_offset)
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{
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pos.x += e._rc_pos_offset.x;
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pos.y += e._rc_pos_offset.y;
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}
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if (this.horizontal)
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{
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if (((pos.y - this.layer.height * 1.5) > this.p1pos.y) && ((pos.y + this.layer.height * 1.5) < (this.p2pos.y + this.p2.offsetHeight)))
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{
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this.pos = pos.y;
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this.resize();
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}
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}
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else
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{
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if (((pos.x - this.layer.width * 1.5) > this.p1pos.x) && ((pos.x + this.layer.width * 1.5) < (this.p2pos.x + this.p2.offsetWidth)))
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{
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this.pos = pos.x;
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this.resize();
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}
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}
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this.p1pos = rcube_get_object_pos(this.p1);
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this.p2pos = rcube_get_object_pos(this.p2);
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return false;
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};
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/**
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* Handler for mouseup events
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*/
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this.onDragStop = function(e)
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{
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// cancel the listening for drag events
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rcube_event.remove_listener({element:document, event:'mousemove', object:this, method:'onDrag'});
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rcube_event.remove_listener({element:document, event:'mouseup', object:this, method:'onDragStop'});
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var iframes = document.getElementsByTagName('IFRAME');
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for (var n in iframes)
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{
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var iframedoc;
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if (iframes[n].contentDocument)
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iframedoc = iframes[n].contentDocument;
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else if (iframes[n].contentWindow)
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iframedoc = iframes[n].contentWindow.document;
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else if (iframes[n].document)
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iframedoc = iframes[n].document;
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if (iframedoc)
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{
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if (this.iframe_events[n]) {
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if (iframedoc.removeEventListener)
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iframedoc.removeEventListener('mousemove', this.iframe_events[n], false);
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else if (iframedoc.detachEvent)
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iframedoc.detachEvent('onmousemove', this.iframe_events[n]);
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else
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iframedoc['onmousemove'] = null;
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}
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rcube_event.remove_listener({element:iframedoc, event:'mouseup', object:this, method:'onDragStop'});
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}
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}
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// save state in cookie
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var exp = new Date();
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exp.setYear(exp.getFullYear() + 1);
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bw.set_cookie(this.id, 'pos='+this.pos, exp);
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return bw.safari ? true : rcube_event.cancel(e);
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};
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/**
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* Handler for window resize events
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*/
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this.onResize = function(e)
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{
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this.p1pos = rcube_get_object_pos(this.p1);
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this.p2pos = rcube_get_object_pos(this.p2);
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var height = this.horizontal ? this.p2pos.y - this.p1pos.y - this.p1.offsetHeight : this.p1.offsetHeight;
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var width = this.horizontal ? this.p1.offsetWidth : this.p2pos.x - this.p1pos.x - this.p1.offsetWidth;
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this.layer.resize(width, height);
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};
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} // end class rcube_splitter
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