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(function(window, document) {
var CompletionDialog = function(options) {
this.options = options
}
CompletionDialog.prototype = {
show: function() {
this.showCompletions()
},
showCompletions: function(searchString, completions) {
this.searchString = searchString;
this.completions = completions;
if(!this.initialized) {
initialize.call(this);
this.initialized=true;
}
var container = this.getDisplayElement()
clearChildren(container);
if(searchString===undefined) {
this.container.className = "dialog";
createDivInside(container).innerHTML=this.options.initialSearchText || "Begin typing"
}
else {
this.container.className = "dialog completions";
var searchBar = createDivInside(container)
searchBar.innerHTML=searchString
searchBar.className="searchBar"
searchResults = createDivInside(container)
searchResults.className="searchResults"
if(completions.length<=0) {
var resultDiv = createDivInside(searchResults)
resultDiv.className="noResults"
resultDiv.innerHTML="No results found"
}
else {
for(var i=0;i<completions.length;i++) {
var resultDiv = createDivInside(searchResults)
if(i===this.currentSelection) {
resultDiv.className="selected"
}
resultDiv.innerHTML=this.options.renderOption(searchString, completions[i])
}
}
}
container.style.top=(window.innerHeight/2-container.clientHeight/2) + "px";
container.style.left=(window.innerWidth/2-container.clientWidth/2) + "px";
if(!this.isShown) {
this.keyPressListener.enable();
clearInterval(this._tweenId);
this._tweenId = Tween.fade(container, 1.0, 150);
this.isShown=true;
}
},
hide: function() {
if(this.isShown) {
this.keyPressListener.disable();
this.isShown=false;
this.currentSelection=0;
clearInterval(this._tweenId);
this._tweenId = Tween.fade(this.container, 0, 150);
}
},
getDisplayElement: function() {
if(!this.container) {
this.container = createDivInside(document.body)
}
return this.container
}
}
var initialize = function() {
addCssToPage(completionCSS)
this.currentSelection=0;
var self = this;
this.keyPressListener = new KeyPressListener({
keyDown: function(event) {
var keyChar = getKeyChar(event);
if(keyChar==="up") {
if(self.currentSelection>0) {
self.currentSelection-=1;
}
self.showCompletions(self.searchString, self.completions)
}
else if(keyChar==="down") {
if(self.currentSelection<self.completions.length-1) {
self.currentSelection+=1;
}
self.showCompletions(self.searchString, self.completions)
}
else if(event.keyCode == keyCodes.enter) {
self.options.onSelect(self.completions[self.currentSelection])
}
event.stopPropagation();
event.preventDefault();
}
})
}
var createDivInside = function(parent) {
var element = document.createElement("div");
parent.appendChild(element);
return element
}
var clearChildren = function(elem) {
if (elem.hasChildNodes()) {
while (elem.childNodes.length >= 1) {
elem.removeChild(elem.firstChild);
}
}
}
var completionCSS = ".dialog {"+
"position:fixed;"+
"background-color: #ebebeb;" +
"z-index: 99999998;" +
"border: 1px solid #b3b3b3;" +
"font-size: 12px;" +
"text-align:left;"+
"color: black;" +
"padding:10px;"+
"border-radius: 4px;" +
"font-family: Lucida Grande, Arial, Sans;" +
"}"+
".completions {"+
"width:400px;"+
"}"+
".completions .searchBar {"+
"height: 15px;"+
"border-bottom: 1px solid #b3b3b3;"+
"}"+
".completions .searchResults {"+
"}"+
".completions .searchResults .selected{"+
"background-color:#aaa;"+
"border-radius: 4px;" +
"}"+
".completions div{"+
"padding:4px;"+
"}"+
".completions div strong{"+
"font-weight:bold;"+
"}"+
".completions .noResults{"+
"color:#555;"+
"}";
window.CompletionDialog = CompletionDialog;
}(window, document))
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