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comparison skins/classic/splitter.js @ 0:4681f974d28b

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vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:52:31 -0500
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children bf99236cc5cd
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-1:000000000000 0:4681f974d28b
1 /**
2 * Roundcube splitter GUI class
3 *
4 * @licstart The following is the entire license notice for the
5 * JavaScript code in this file.
6 *
7 * Copyright (c) 2006-2014, The Roundcube Dev Team
8 *
9 * The JavaScript code in this page is free software: you can redistribute it
10 * and/or modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation, either version 3 of
12 * the License, or (at your option) any later version.
13 *
14 * @licend The above is the entire license notice
15 * for the JavaScript code in this file.
16 *
17 * @constructor
18 */
19 function rcube_splitter(attrib)
20 {
21 this.p1id = attrib.p1;
22 this.p2id = attrib.p2;
23 this.id = attrib.id ? attrib.id : this.p1id + '_' + this.p2id + '_splitter';
24 this.orientation = attrib.orientation;
25 this.horizontal = (this.orientation == 'horizontal' || this.orientation == 'h');
26 this.pos = attrib.start ? attrib.start * 1 : 0;
27 this.relative = attrib.relative ? true : false;
28 this.drag_active = false;
29 this.callback = attrib.callback;
30
31 var me = this;
32
33 this.init = function()
34 {
35 this.p1 = document.getElementById(this.p1id);
36 this.p2 = document.getElementById(this.p2id);
37
38 // create and position the handle for this splitter
39 this.p1pos = this.relative ? $(this.p1).position() : $(this.p1).offset();
40 this.p2pos = this.relative ? $(this.p2).position() : $(this.p2).offset();
41
42 if (this.horizontal) {
43 var top = this.p1pos.top + this.p1.offsetHeight;
44 this.layer = new rcube_layer(this.id, {x: 0, y: top, height: 10,
45 width: '100%', vis: 1, parent: this.p1.parentNode});
46 }
47 else {
48 var left = this.p1pos.left + this.p1.offsetWidth;
49 this.layer = new rcube_layer(this.id, {x: left, y: 0, width: 10,
50 height: '100%', vis: 1, parent: this.p1.parentNode});
51 }
52
53 this.elm = this.layer.elm;
54 this.elm.className = 'splitter '+(this.horizontal ? 'splitter-h' : 'splitter-v');
55 this.elm.unselectable = 'on';
56
57 // add the mouse event listeners
58 $(this.elm).mousedown(onDragStart);
59 if (bw.ie)
60 $(window).resize(onResize);
61
62 // read saved position from cookie
63 var cookie = rcmail.get_cookie(this.id);
64 if (cookie && !isNaN(cookie)) {
65 this.pos = parseFloat(cookie);
66 this.resize();
67 }
68 else if (this.pos) {
69 this.resize();
70 this.set_cookie();
71 }
72 };
73
74 /**
75 * Set size and position of all DOM objects
76 * according to the saved splitter position
77 */
78 this.resize = function()
79 {
80 if (this.horizontal) {
81 var lh = this.layer.height;
82 this.p1.style.height = Math.floor(this.pos - this.p1pos.top - lh / 2) + 'px';
83 this.p2.style.top = Math.ceil(this.pos + lh / 2) + 'px';
84 this.layer.move(this.layer.x, Math.round(this.pos - lh / 2 + 1));
85 if (bw.ie) {
86 var new_height = parseInt(this.p2.parentNode.offsetHeight, 10) - parseInt(this.p2.style.top, 10) - (bw.ie8 ? 2 : 0);
87 this.p2.style.height = (new_height > 0 ? new_height : 0) + 'px';
88 }
89 }
90 else {
91 this.p1.style.width = Math.floor(this.pos - this.p1pos.left - this.layer.width / 2) + 'px';
92 this.p2.style.left = Math.ceil(this.pos + this.layer.width / 2) + 'px';
93 this.layer.move(Math.round(this.pos - this.layer.width / 2 + 1), this.layer.y);
94 if (bw.ie) {
95 var new_width = parseInt(this.p2.parentNode.offsetWidth, 10) - parseInt(this.p2.style.left, 10) ;
96 this.p2.style.width = (new_width > 0 ? new_width : 0) + 'px';
97 }
98 }
99 $(this.p2).resize();
100 $(this.p1).resize();
101 };
102
103 /**
104 * Handler for mousedown events
105 */
106 function onDragStart(e)
107 {
108 me.drag_active = true;
109
110 // disable text selection while dragging the splitter
111 if (bw.konq || bw.chrome || bw.safari)
112 document.body.style.webkitUserSelect = 'none';
113
114 me.p1pos = me.relative ? $(me.p1).position() : $(me.p1).offset();
115 me.p2pos = me.relative ? $(me.p2).position() : $(me.p2).offset();
116
117 // start listening to mousemove events
118 $(document).bind('mousemove.'+me.id, onDrag).bind('mouseup.'+me.id, onDragStop);
119
120 // enable dragging above iframes
121 $('iframe').each(function() {
122 $('<div class="iframe-splitter-fix"></div>')
123 .css({background: '#fff',
124 width: this.offsetWidth+'px', height: this.offsetHeight+'px',
125 position: 'absolute', opacity: '0.001', zIndex: 1000
126 })
127 .css($(this).offset())
128 .appendTo('body');
129 });
130 };
131
132 /**
133 * Handler for mousemove events
134 */
135 function onDrag(e)
136 {
137 if (!me.drag_active)
138 return false;
139
140 // with timing events dragging action is more responsive
141 window.clearTimeout(me.ts);
142 me.ts = window.setTimeout(function() { onDragAction(e); }, 1);
143
144 return false;
145 };
146
147 function onDragAction(e)
148 {
149 var pos = rcube_event.get_mouse_pos(e);
150
151 if (me.relative) {
152 var parent = $(me.p1.parentNode).offset();
153 pos.x -= parent.left;
154 pos.y -= parent.top;
155 }
156
157 if (me.horizontal) {
158 if (((pos.y - me.layer.height * 1.5) > me.p1pos.top) && ((pos.y + me.layer.height * 1.5) < (me.p2pos.top + me.p2.offsetHeight))) {
159 me.pos = pos.y;
160 me.resize();
161 }
162 }
163 else if (((pos.x - me.layer.width * 1.5) > me.p1pos.left) && ((pos.x + me.layer.width * 1.5) < (me.p2pos.left + me.p2.offsetWidth))) {
164 me.pos = pos.x;
165 me.resize();
166 }
167
168 me.p1pos = me.relative ? $(me.p1).position() : $(me.p1).offset();
169 me.p2pos = me.relative ? $(me.p2).position() : $(me.p2).offset();
170 };
171
172 /**
173 * Handler for mouseup events
174 */
175 function onDragStop(e)
176 {
177 me.drag_active = false;
178
179 // resume the ability to highlight text
180 if (bw.konq || bw.chrome || bw.safari)
181 document.body.style.webkitUserSelect = 'auto';
182
183 // cancel the listening for drag events
184 $(document).unbind('.' + me.id);
185
186 // remove temp divs
187 $('div.iframe-splitter-fix').remove();
188
189 me.set_cookie();
190
191 if (typeof me.callback == 'function')
192 me.callback(me);
193
194 return bw.safari ? true : rcube_event.cancel(e);
195 };
196
197 /**
198 * Handler for window resize events
199 */
200 function onResize(e)
201 {
202 if (me.horizontal) {
203 var new_height = parseInt(me.p2.parentNode.offsetHeight, 10) - parseInt(me.p2.style.top, 10) - (bw.ie8 ? 2 : 0);
204 me.p2.style.height = (new_height > 0 ? new_height : 0) +'px';
205 }
206 else {
207 var new_width = parseInt(me.p2.parentNode.offsetWidth, 10) - parseInt(me.p2.style.left, 10);
208 me.p2.style.width = (new_width > 0 ? new_width : 0) + 'px';
209 }
210 };
211
212 /**
213 * Saves splitter position in cookie
214 */
215 this.set_cookie = function()
216 {
217 var exp = new Date();
218 exp.setYear(exp.getFullYear() + 1);
219 rcmail.set_cookie(this.id, this.pos, exp);
220 };
221
222 } // end class rcube_splitter