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comparison src/nabble/view/web/util/dropdown_menu_hack.js @ 0:7ecd1a4ef557

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add content
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 Mar 2019 19:15:52 -0600
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-1:000000000000 0:7ecd1a4ef557
1 // based on http://www.hedgerwow.com/360/dhtml/ui_select_with_fixed_width/demo.php
2
3
4 function dropdown_menu_hack(el)
5 {
6 if( navigator.appName.indexOf("Microsoft") == -1 )
7 return;
8 if(el.runtimeStyle.behavior.toLowerCase() != "none"){
9 el.runtimeStyle.behavior="none";
10
11 el.ondblclick = function(e)
12 {
13 window.event.returnValue = false;
14 return false;
15 }
16
17
18 function showMenu()
19 {
20
21 function selectMenu(obj) {
22 el.contentIndex = obj.selectedIndex;
23 el.selectedIndex = el.contentIndex;
24 el.menu.hide();
25 el.onchange();
26 }
27
28
29 el.menu.show(0 , el.offsetHeight, 10, 10, el);
30 var mb = el.menu.document.body;
31
32 // mb.style.cssText ="border:solid 1px black;margin:0;padding:0;overflow-y:auto;overflow-x:auto;background:white;text-aligbn:center;font-family:Verdana;font-size:12px;";
33 // mb.style.cssText ="border:solid 1px black;margin:0;padding:0;overflow-y:auto;overflow-x:auto;background:white;font-family:tahoma,geneva,helvetica,arial,sans-serif;font-size:10pt;";
34 mb.style.border = "solid 1px black";
35 mb.style.overflowY = "auto";
36 mb.style.margin = "0";
37 mb.style.padding = "0";
38 mb.style.fontSize = "8pt";
39 mb.style.fontFamily = "tahoma,geneva,helvetica,arial,sans-serif";
40 var t = el.contentHTML;
41 t = t.replace(/<select/gi,'<ul');
42 t = t.replace(/<option/gi,'<li');
43 t = t.replace(/<\/option/gi,'</li');
44 t = t.replace(/<\/select/gi,'</ul');
45 t = t.replace(/> /gi,'>&nbsp;&nbsp;');
46 mb.innerHTML = t;
47
48 el.select = mb.all.tags("ul")[0];
49 el.select.style.cssText="list-style:none;margin:0;padding:0;";
50 mb.options = el.select.getElementsByTagName("li");
51
52 for(var i=0;i<mb.options.length;i++)
53 {
54 mb.options[i].selectedIndex = i;
55 mb.options[i].style.cssText = "list-style:none;margin:0;padding:1px 2px;width:100%;cursor:hand;cursor:pointer;white-space:nowrap;"
56 mb.options[i].title = mb.options[i].innerHTML;
57 mb.options[i].innerHTML = "<nobr>" + mb.options[i].innerHTML + "</nobr>";
58
59 mb.options[i].onmouseover = function()
60 {
61 if( mb.options.selected ){mb.options.selected.style.background="white";mb.options.selected.style.color="black";}
62 mb.options.selected = this;
63 this.style.background = "#316ac5";
64 this.style.color = "white";
65 }
66
67 mb.options[i].onmouseout = function(){
68 this.style.background="white";this.style.color="black";
69 }
70
71 mb.options[i].onmousedown = function(){selectMenu(this);}
72 mb.options[i].onkeydown = function(){selectMenu(this);}
73
74
75 if(i == el.contentIndex)
76 {
77 mb.options[i].style.background = "#316ac5";
78 mb.options[i].style.color = "white";
79 mb.options.selected = mb.options[i];
80 }
81 }
82
83 // var mwPadding = 22;
84 var mwPadding = 4;
85 var mw = Math.max( ( el.select.offsetWidth + mwPadding ), el.offsetWidth + mwPadding );
86 mw = Math.max( mw, ( mb.scrollWidth+mwPadding) );
87 // var mh = mb.options.length * 15 + 8 ;
88 var mh = mb.options.length * 15 + 2 ;
89
90 var mx = 0;
91 var my = el.offsetHeight - 2;
92 var docH = document.documentElement.offsetHeight ;
93 var bottomH = docH - el.getBoundingClientRect().bottom ;
94
95 mh = Math.min(mh, Math.max(( docH - el.getBoundingClientRect().top - 50),100) );
96
97 if( bottomH < mh )
98 {
99
100 mh = Math.max( (bottomH - 12),10);
101 if( mh <100 )
102 {
103 my = -100 ;
104
105 }
106 mh = Math.max(mh,100);
107 }
108
109
110 self.focus();
111
112 el.menu.show( mx, my+2, mw, mh , el);
113 // sync = null;
114 if(mb.options.selected)
115 {
116 mb.scrollTop = mb.options.selected.offsetTop;
117 }
118
119 window.onresize = function(){el.menu.hide()};
120 }
121
122 if(dropdown_menu_hack.menu ==null)
123 {
124 dropdown_menu_hack.menu = window.createPopup();
125 document.attachEvent("onkeydown",dropdown_menu_hack.menu.hide);
126 }
127 el.menu = dropdown_menu_hack.menu ;
128 el.onclick = showMenu;
129 }
130 el.contentOptions = new Array();
131 el.contentIndex = el.selectedIndex;
132 el.contentHTML = el.outerHTML;
133
134 for(var i=0;i<el.options.length;i++)
135 {
136 el.contentOptions [el.contentOptions.length] =
137 {
138 "value": el.options[i].value,
139 "text": el.options[i].innerHTML
140 }
141
142 // if(!el.options[i].selected){el.options[i].removeNode(true);i--;};
143 }
144 }