Mercurial Hosting > nabble
view src/nabble/view/web/util/dropdown_menu_hack.js @ 62:4674ed7d56df default tip
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author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Sat, 30 Sep 2023 20:25:29 -0600 |
parents | 7ecd1a4ef557 |
children |
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// based on http://www.hedgerwow.com/360/dhtml/ui_select_with_fixed_width/demo.php function dropdown_menu_hack(el) { if( navigator.appName.indexOf("Microsoft") == -1 ) return; if(el.runtimeStyle.behavior.toLowerCase() != "none"){ el.runtimeStyle.behavior="none"; el.ondblclick = function(e) { window.event.returnValue = false; return false; } function showMenu() { function selectMenu(obj) { el.contentIndex = obj.selectedIndex; el.selectedIndex = el.contentIndex; el.menu.hide(); el.onchange(); } el.menu.show(0 , el.offsetHeight, 10, 10, el); var mb = el.menu.document.body; // 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;"; // 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;"; mb.style.border = "solid 1px black"; mb.style.overflowY = "auto"; mb.style.margin = "0"; mb.style.padding = "0"; mb.style.fontSize = "8pt"; mb.style.fontFamily = "tahoma,geneva,helvetica,arial,sans-serif"; var t = el.contentHTML; t = t.replace(/<select/gi,'<ul'); t = t.replace(/<option/gi,'<li'); t = t.replace(/<\/option/gi,'</li'); t = t.replace(/<\/select/gi,'</ul'); t = t.replace(/> /gi,'> '); mb.innerHTML = t; el.select = mb.all.tags("ul")[0]; el.select.style.cssText="list-style:none;margin:0;padding:0;"; mb.options = el.select.getElementsByTagName("li"); for(var i=0;i<mb.options.length;i++) { mb.options[i].selectedIndex = i; mb.options[i].style.cssText = "list-style:none;margin:0;padding:1px 2px;width:100%;cursor:hand;cursor:pointer;white-space:nowrap;" mb.options[i].title = mb.options[i].innerHTML; mb.options[i].innerHTML = "<nobr>" + mb.options[i].innerHTML + "</nobr>"; mb.options[i].onmouseover = function() { if( mb.options.selected ){mb.options.selected.style.background="white";mb.options.selected.style.color="black";} mb.options.selected = this; this.style.background = "#316ac5"; this.style.color = "white"; } mb.options[i].onmouseout = function(){ this.style.background="white";this.style.color="black"; } mb.options[i].onmousedown = function(){selectMenu(this);} mb.options[i].onkeydown = function(){selectMenu(this);} if(i == el.contentIndex) { mb.options[i].style.background = "#316ac5"; mb.options[i].style.color = "white"; mb.options.selected = mb.options[i]; } } // var mwPadding = 22; var mwPadding = 4; var mw = Math.max( ( el.select.offsetWidth + mwPadding ), el.offsetWidth + mwPadding ); mw = Math.max( mw, ( mb.scrollWidth+mwPadding) ); // var mh = mb.options.length * 15 + 8 ; var mh = mb.options.length * 15 + 2 ; var mx = 0; var my = el.offsetHeight - 2; var docH = document.documentElement.offsetHeight ; var bottomH = docH - el.getBoundingClientRect().bottom ; mh = Math.min(mh, Math.max(( docH - el.getBoundingClientRect().top - 50),100) ); if( bottomH < mh ) { mh = Math.max( (bottomH - 12),10); if( mh <100 ) { my = -100 ; } mh = Math.max(mh,100); } self.focus(); el.menu.show( mx, my+2, mw, mh , el); // sync = null; if(mb.options.selected) { mb.scrollTop = mb.options.selected.offsetTop; } window.onresize = function(){el.menu.hide()}; } if(dropdown_menu_hack.menu ==null) { dropdown_menu_hack.menu = window.createPopup(); document.attachEvent("onkeydown",dropdown_menu_hack.menu.hide); } el.menu = dropdown_menu_hack.menu ; el.onclick = showMenu; } el.contentOptions = new Array(); el.contentIndex = el.selectedIndex; el.contentHTML = el.outerHTML; for(var i=0;i<el.options.length;i++) { el.contentOptions [el.contentOptions.length] = { "value": el.options[i].value, "text": el.options[i].innerHTML } // if(!el.options[i].selected){el.options[i].removeNode(true);i--;}; } }