3 * RoundCube splitter GUI class
7 function rcube_splitter(attrib)
10 this.p2id = attrib.p2;
11 this.id = attrib.id ? attrib.id : this.p1id + '_' + this.p2id + '_splitter';
12 this.orientation = attrib.orientation;
13 this.horizontal = (this.orientation == 'horizontal' || this.orientation == 'h');
14 this.offset = bw.ie6 ? 2 : 0;
15 this.pos = attrib.start ? attrib.start * 1 : 0;
16 this.relative = attrib.relative ? true : false;
17 this.drag_active = false;
19 this.init = function()
21 this.p1 = document.getElementById(this.p1id);
22 this.p2 = document.getElementById(this.p2id);
24 // create and position the handle for this splitter
25 this.p1pos = rcube_get_object_pos(this.p1, this.relative);
26 this.p2pos = rcube_get_object_pos(this.p2, this.relative);
30 var top = this.p1pos.y + this.p1.offsetHeight;
31 this.layer = new rcube_layer(this.id, {x: 0, y: top, height: 10,
32 width: '100%', vis: 1, parent: this.p1.parentNode});
36 var left = this.p1pos.x + this.p1.offsetWidth;
37 this.layer = new rcube_layer(this.id, {x: left, y: 0, width: 10,
38 height: '100%', vis: 1, parent: this.p1.parentNode});
41 this.elm = this.layer.elm;
42 this.elm.className = 'splitter '+(this.horizontal ? 'splitter-h' : 'splitter-v');
43 this.elm.unselectable = 'on';
45 // add the mouse event listeners
46 rcube_event.add_listener({element: this.elm, event:'mousedown', object:this, method:'onDragStart'});
48 rcube_event.add_listener({element: window, event:'resize', object:this, method:'onResize'});
50 // read saved position from cookie
51 var cookie = bw.get_cookie(this.id);
52 if (cookie && !isNaN(cookie))
54 this.pos = parseFloat(cookie);
65 * Set size and position of all DOM objects
66 * according to the saved splitter position
68 this.resize = function()
72 var lh = this.layer.height - this.offset * 2;
73 this.p1.style.height = Math.floor(this.pos - this.p1pos.y - lh / 2) + 'px';
74 this.p2.style.top = Math.ceil(this.pos + lh / 2) + 'px';
75 this.layer.move(this.layer.x, Math.round(this.pos - lh / 2 + 1));
78 var new_height = (parseInt(this.p2.parentNode.offsetHeight) - parseInt(this.p2.style.top));
79 this.p2.style.height = (new_height > 0 ? new_height : 0) +'px';
84 this.p1.style.width = Math.floor(this.pos - this.p1pos.x - this.layer.width / 2) + 'px';
85 this.p2.style.left = Math.ceil(this.pos + this.layer.width / 2) + 'px';
86 this.layer.move(Math.round(this.pos - this.layer.width / 2 + 1), this.layer.y);
88 this.p2.style.width = (parseInt(this.p2.parentNode.offsetWidth) - parseInt(this.p2.style.left))+'px';
93 * Handler for mousedown events
95 this.onDragStart = function(e)
97 this.p1pos = rcube_get_object_pos(this.p1, this.relative);
98 this.p2pos = rcube_get_object_pos(this.p2, this.relative);
99 this.drag_active = true;
101 // start listening to mousemove events
102 rcube_event.add_listener({element:document, event:'mousemove', object:this, method:'onDrag'});
103 rcube_event.add_listener({element:document, event:'mouseup', object:this, method:'onDragStop'});
105 // need to listen in any iframe documents too, b/c otherwise the splitter stops moving when we move over an iframe
106 var iframes = document.getElementsByTagName('IFRAME');
107 this.iframe_events = Object();
108 for (var n in iframes)
110 var iframedoc = null;
111 if (iframes[n].contentDocument)
112 iframedoc = iframes[n].contentDocument;
113 else if (iframes[n].contentWindow)
114 iframedoc = iframes[n].contentWindow.document;
115 else if (iframes[n].document)
116 iframedoc = iframes[n].document;
119 // I don't use the add_listener function for this one because I need to create closures to fetch
120 // the position of each iframe when the event is received
122 var id = iframes[n].id;
123 this.iframe_events[n] = function(e){ e._offset = rcube_get_object_pos(document.getElementById(id)); return s.onDrag(e); }
125 if (iframedoc.addEventListener)
126 iframedoc.addEventListener('mousemove', this.iframe_events[n], false);
127 else if (iframes[n].attachEvent)
128 iframedoc.attachEvent('onmousemove', this.iframe_events[n]);
130 iframedoc['onmousemove'] = this.iframe_events[n];
132 rcube_event.add_listener({element:iframedoc, event:'mouseup', object:this, method:'onDragStop'});
138 * Handler for mousemove events
140 this.onDrag = function(e)
142 if (!this.drag_active) return false;
144 var pos = rcube_event.get_mouse_pos(e);
148 var parent = rcube_get_object_pos(this.p1.parentNode);
155 if (((pos.y - this.layer.height * 1.5) > this.p1pos.y) && ((pos.y + this.layer.height * 1.5) < (this.p2pos.y + this.p2.offsetHeight)))
163 if (((pos.x - this.layer.width * 1.5) > this.p1pos.x) && ((pos.x + this.layer.width * 1.5) < (this.p2pos.x + this.p2.offsetWidth)))
170 this.p1pos = rcube_get_object_pos(this.p1, this.relative);
171 this.p2pos = rcube_get_object_pos(this.p2, this.relative);
176 * Handler for mouseup events
178 this.onDragStop = function(e)
180 // cancel the listening for drag events
181 rcube_event.remove_listener({element:document, event:'mousemove', object:this, method:'onDrag'});
182 rcube_event.remove_listener({element:document, event:'mouseup', object:this, method:'onDragStop'});
183 this.drag_active = false;
185 var iframes = document.getElementsByTagName('IFRAME');
187 for (var n in iframes)
190 if (iframes[n].contentDocument)
191 iframedoc = iframes[n].contentDocument;
192 else if (iframes[n].contentWindow)
193 iframedoc = iframes[n].contentWindow.document;
194 else if (iframes[n].document)
195 iframedoc = iframes[n].document;
198 if (this.iframe_events[n]) {
199 if (iframedoc.removeEventListener)
200 iframedoc.removeEventListener('mousemove', this.iframe_events[n], false);
201 else if (iframedoc.detachEvent)
202 iframedoc.detachEvent('onmousemove', this.iframe_events[n]);
204 iframedoc['onmousemove'] = null;
207 rcube_event.remove_listener({element:iframedoc, event:'mouseup', object:this, method:'onDragStop'});
213 return bw.safari ? true : rcube_event.cancel(e);
217 * Handler for window resize events
219 this.onResize = function(e)
223 var new_height = (parseInt(this.p2.parentNode.offsetHeight) - parseInt(this.p2.style.top));
224 this.p2.style.height = (new_height > 0 ? new_height : 0) +'px';
227 this.p2.style.width = (parseInt(this.p2.parentNode.offsetWidth) - parseInt(this.p2.style.left))+'px';
230 this.set_cookie = function()
232 // save state in cookie
233 var exp = new Date();
234 exp.setYear(exp.getFullYear() + 1);
235 bw.set_cookie(this.id, this.pos, exp);
238 } // end class rcube_splitter