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/*
* $Id: declarative.js,v 1.7.2.3 2010/04/06 16:46:11 source Exp $
*
* This file is part of the OpenLink Software Ajax Toolkit (OAT) project.
*
* Copyright (C) 2005-2010 OpenLink Software
*
* See LICENSE file for details.
*/
/*
Declarative markup scanner & initializer:
OAT.Declarative.shouldBeProcessed = function(domNode)
OAT.Declarative.execute()
OAT.Declarative.scanningFinished()
*/
OAT.Declarative = {
objects:{},
toBeProcessed:[], /* elements found by scanner, deferred processing */
shouldBeProcessed:function(domNode) {
/*
samples of OAT-markup elements
<div openajaxType="oat:tab" openajaxParams="{x:1,y:2}" oat:foo="bar">
*/
if (domNode.getAttribute("openajaxType") && domNode.getAttribute("openajaxType").toString().split(":")[0].toLowerCase() == "oat") { return true; }
return false;
},
scan:function() { /* to be replaced by OpenAjax Alliance's Event Hub Scanner */
var tmpAll = document.getElementsByTagName("*"); /* dynamic array */
var all = [];
for (var i=0;i<tmpAll.length;i++) { all.push(tmpAll[i]); } /* static array */
for (var i=0;i<all.length;i++) {
if (OAT.Declarative.shouldBeProcessed(all[i])) { OAT.Declarative.process(all[i]); }
}
},
process:function(domNode) { /* process dom node, containing declarative markup for OAT */
OAT.Declarative.toBeProcessed.push(domNode);
},
scanningFinished:function() { /* process deferred elements */
/*
A. categorize - 0: ordinary widgets, 1: tab, dock & panelbar, 2: tab, dock & panelbar parts
B. create widgets from end of the queue
*/
var addObject = function(type,o) {
if (type in OAT.Declarative.objects) { OAT.Declarative.objects[type].push(o); } else { OAT.Declarative.objects[type] = [o]; }
}
var partTwo = ["tab","panelbar","dock"];
var partThree = ["tab_content","panelbar_content","dock_content"];
var queue = [[],[],[]];
for (var i=0;i<OAT.Declarative.toBeProcessed.length;i++) {
var elm = OAT.Declarative.toBeProcessed[i];
var type = elm.getAttribute("openajaxType").toString().split(":");
var name = type[1];
var params = {};
for (var j=0;j<elm.attributes.length;j++) {
var a = elm.attributes[j];
var s = a.nodeName.split(":");
if (s[0] == "oat") { params[s[1]] = a.nodeValue; }
}
var jsonParams = elm.getAttribute("openajaxParams");
if (jsonParams) {
var json = OAT.JSON.deserialize(jsonParams);
for (var p in json) { params[p] = json[p]; }
}
var parentArr = queue[0]; /* choose right queue, according to object type */
if (partTwo.find(name) != -1) { parentArr = queue[1]; }
if (partThree.find(name) != -1) { parentArr = queue[2]; }
var obj = {name:name,params:params,elm:elm};
parentArr.unshift(obj);
}
/* normal widgets */
for (var i=0;i<queue[0].length;i++) {
var o = queue[0][i];
switch (o.name) {
case "drag":
var target = o.params.target ? o.params.target : o.elm;
OAT.Drag.create(o.elm,p.params.target);
break;
case "resize":
var target = o.params.target ? o.params.target : o.elm;
OAT.Drag.create(o.elm,target);
break;
case "tree":
var t = new OAT.Tree(o.params);
t.assign(o.elm,true);
addObject("tree",t);
break;
case "rounddiv":
OAT.SimpleFX.roundDiv(o.elm,o.params);
break;
case "roundimg":
OAT.SimpleFX.roundDiv(o.elm,o.params);
break;
case "shadow":
OAT.SimpleFX.shadow(o.elm,o.params);
break;
case "shader":
var target = o.params.target ? o.params.target : o.elm;
OAT.SimpleFX.shader(o.elm,target);
break;
case "validation":
OAT.Validation.create(o.elm,o.params.type, o.params);
break;
case "grid":
var g = new OAT.Grid(o.elm,{autoNumber:o.params.autonumber,allowHiding:o.params.allowhiding});
g.fromTable(o.params.table);
addObject("grid",g);
break;
case "anchor":
o.params.connection = OAT.JSON.deserialize(o.params.connection);
o.params.datasource = OAT.JSON.deserialize(o.params.datasource);
OAT.Anchor.assign(o.elm,o.params);
break;
} /* switch */
}
/* tabs, docks, panelbars */
for (var i=0;i<queue[1].length;i++) {
var o = queue[1][i];
switch (o.name) {
case "tab":
var t = new OAT.Tab(o.elm);
addObject("tab",t);
break;
case "dock":
var d = new OAT.Dock(o.elm,o.params.columns);
addObject("dock",d);
break;
case "panelbar":
var p = new OAT.Panelbar(o.elm,o.params.fadedelay);
addObject("panelbar",p);
break;
} /* switch */
}
/* tabs, docks, panelbars - parts */
for (var i=0;i<queue[2].length;i++) {
var o = queue[2][i];
switch (o.name) {
case "tab_content":
var pid = o.params.parent;
for (var j=0;j<OAT.Declarative.objects["tab"].length;j++) {
var t = OAT.Declarative.objects["tab"][j];
if (t.div == $(pid)) { t.add(o.params.clicker,o.elm); }
}
break;
case "dock_content":
var pid = o.params.parent;
for (var j=0;j<OAT.Declarative.objects["dock"].length;j++) {
var d = OAT.Declarative.objects["dock"][j];
if (d.div == $(pid)) { d.addObject(o.params.column,o.params.clicker,o.elm); }
}
break;
case "panelbar_content":
var pid = o.params.parent;
for (var j=0;j<OAT.Declarative.objects["panelbar"].length;j++) {
var p = OAT.Declarative.objects["panelbar"][j];
if (p.div == $(pid)) { p.addPanel(o.params.clicker,o.elm); }
}
break;
} /* switch */
}
}, /* scanningFinished - dynamic creation of widgets */
execute:function() {
/*
two modes of operation:
1. scan - no OAA Hub present
2. attach to OAA Hub
*/
OAT.Declarative.scan();
OAT.Declarative.scanningFinished();
}
}
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