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File: js/1mix.datalist.js

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  Classes of Alex Lau   Mix2ool   js/1mix.datalist.js   Download  
File: js/1mix.datalist.js
Role: Auxiliary data
Content type: text/plain
Description: The datalist component
Class: Mix2ool
Web development framework integrated with jQuery
Author: By
Last change:
Date: 13 years ago
Size: 5,499 bytes
 

Contents

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mixElements.append("datalist"); document.createElement("datalist"); mixElements.append("mixoption"); document.createElement("mixoption"); mix.datalist = function (elements){ var datalist; if (type(elements) == "undefined"){ datalist = $(document.createElement("datalist")); }else{ datalist = $(elements).filter(function (){ var el = this.parentNode; var inTemplate = false; while (el.nodeType == 1 && el.nodeName.toLowerCase() != "html" && el.nodeName.toLowerCase() != "template") el = el.parentNode; return (("" + this.nodeName).toLowerCase() == "datalist" && this._mixInit !== true && el.nodeName.toLowerCase() != "template"); //node name is progress and has not been initialized }); } datalist.each(function (){ this._mixInit = true; }).redraw().bind("mousedown", function (){ this._focused = true; }).bind("keydown", mix.datalist.keyDown); $(window).resize(function (){ datalist.redraw(); }); return datalist; }; mix.datalist.keyDown = function (e){ var el = this; if (type(e.data) == "element") el = e.data; if (e.keyCode == mix.keyBtn.DOWN_ARROW){ //down mix.datalist.selectNext(el); }else if (e.keyCode == mix.keyBtn.UP_ARROW){ //up mix.datalist.selectPrev(el); }else if (e.keyCode == mix.keyBtn.ENTER){ //enter mix.datalist.chooseCurrentSelection(el); } }; mix.datalist.redraw = function (el){ if (type(el._currentHook) != "undefined" && type(el._currentHook) == "element" && $(el).find("mixoption").size() != 0){ if (el._currentHook.nodeType == 1 && el._currentHook.nodeName.toLowerCase() == "input"){ $(el).addClass("hookInput"); var left = $(el._currentHook).offset().left; var top = $(el._currentHook).offset().top + $(el._currentHook).outerHeight(); var width = $(el._currentHook).outerWidth() - ($(el).outerWidth() - $(el).innerWidth()); $(el).show().css({ position: "absolute", left: left + "px", top: top + "px", width: width + "px" }).children().redraw(); //must call the children to redraw otherwise they show improperly //e.g. progress, we must redraw it or it will show without progressbar } }else{ $(el).removeClass("hookInput"); $(el).hide(); } }; mix.datalist.unselectAll = function (el){ $(el).childrenTag("mixoption").each(function (){ mix.datalist.unselect(this); }); }; mix.datalist.selectNext = function (el){ var options = $(el).find("mixoption"); var selected = options.filter(".hover"); var next = selected.next(); mix.datalist.unselectAll(el); if (selected.size() == 0 || next.size() == 0){ mix.datalist.select(options.filter(":first")); }else{ mix.datalist.select(next); } }; mix.datalist.selectPrev = function (el){ var options = $(el).find("mixoption"); var selected = options.filter(".hover"); var prev = selected.prev(); mix.datalist.unselectAll(el); if (selected.size() == 0 || prev.size() == 0){ mix.datalist.select(options.filter(":last")); }else{ mix.datalist.select(prev); } }; mix.datalist.chooseCurrentSelection = function (el){ var options = $(el).find("mixoption"); var selected = options.filter(".hover"); if (selected.size() > 0){ mix.datalist.chosenValue(el, mix.datalist.getValue(selected.get(0))); } }; mix.datalist.chosenValue = function (el, value){ if (type(el._currentHook) == "element") $(el._currentHook).val(value); mix.datalist.attr(el, "hook", ""); el._focused = false; }; mix.datalist.attr = function (el, name, value){ if (type(value) == "undefined"){ //getter return el._currentHook; } if (type(el._currentHook) == "element"){ //unhook and unbind it $(el._currentHook).unbind("keydown", mix.datalist.keyDown); } if (type(value) == "element"){ //hook and bind it $(el._currentHook).bind("keydown", el, mix.datalist.keyDown); } el._currentHook = value; $(el).trigger("attrChange", [name, value]); mix.datalist.redraw(el); return value; }; mix.datalist.getValue = function (optionEl){ var val = $(optionEl).attr("value"); if (type(val) == "undefined"){ val = $(optionEl).text(); } return val; }; mix.datalist.select = function (optionEl){ $(optionEl).addClass("hover"); }; mix.datalist.unselect = function (optionEl){ $(optionEl).removeClass("hover"); }; mix.datalist.customAttrList = "hook".split(","); mix.mixoption = function (elements){ var mixoption; if (type(elements) == "undefined"){ mixoption = $(document.createElement("mixoption")); }else{ mixoption = $(elements).filter(function (){ var el = this.parentNode; var inTemplate = false; while (el.nodeType == 1 && el.nodeName.toLowerCase() != "html" && el.nodeName.toLowerCase() != "template") el = el.parentNode; return (("" + this.nodeName).toLowerCase() == "mixoption" && this._mixInit !== true && el.nodeName.toLowerCase() != "template"); //node name is progress and has not been initialized }); } mixoption.each(function (){ this._mixInit = true; }).bind("mousedown", function (){ $(this).parent().get(0)._focused = true; }).bind("click", function (){ var val = mix.datalist.getValue(this); mix.datalist.chosenValue($(this).parent().get(0), val); }).bind("mouseover", function (){ mix.datalist.unselectAll($(this).parent().get(0)); mix.datalist.select(this); }).bind("mouseout", function (){ mix.datalist.unselect(this); }); return mixoption; };