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PLUGINMGR_ctrlr_general.js
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Sat, Sep 28, 08:38

PLUGINMGR_ctrlr_general.js
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/**
* @projectDescription Main controller for the Plugin Manager system.
* @inherits i2b2
* @namespace i2b2.PLUGINMGR
* @author Nick Benik, Griffin Weber MD PhD
* @version 1.4
* ----------------------------------------------------------------------------------------
* updated 9-18-09: Updates required by PM update [Nick Benik]
*/
console.group('Load & Execute component file: PLUGINMGR > ctrl > general');
console.time('execute time');
// helper function to be used by plugins to create canvas objects
i2b2.PLUGINMGR.createCanvas = function(containerDIV){
// we must dynamically create our CANVAS node
var canvas = document.createElement("canvas");
var trgtDIV = $(containerDIV);
if (!trgtDIV.appendChild) {
console.error("[i2b2.PLUGINMGR.createCanvas] Bad canvas container DIV provided");
return false;
}
trgtDIV.appendChild(canvas);
// dynamically initialize canvas object (only on IE)
if (/msie/i.test(navigator.userAgent)) {
var guid = i2b2.h.GenerateAlphaNumId(6);
canvas.id = guid;
G_vmlCanvasManager.initElement(canvas);
var canvas = $(guid);
canvas.id = "";
}
return canvas;
};
// main plugin handler
i2b2.PLUGINMGR.visible = false;
i2b2.PLUGINMGR.ctrlr.main =
{
ZoomView: function() {
if (i2b2.hive.MasterView.getViewMode()=="Analysis") {
i2b2.hive.MasterView.setViewMode('AnalysisZoomed');
} else {
i2b2.hive.MasterView.setViewMode('Analysis');
}
},
/*
getPluginList: function() {
var results = {};
var cellsLoaded = i2b2.hive.cfg.LoadedCells;
for (var i1=0; i1<cellsLoaded.length; i1++) {
var pluginName = cellsLoaded[i1].code;
if (!i2b2[pluginName].cfg.config.plugin) { pluginName = false; }
if (pluginName) {
results[pluginName] = i2b2[pluginName];
}
}
return results;
},
*/
selectPlugin: function(pluginCode) {
// function to load selected plugin
if (i2b2.h.isBadObjPath('i2b2.'+pluginCode+'.cfg.config.plugin')) {
alert("The plugin you clicked does not contain all the required information needed to load.");
return false;
}
i2b2.hive.MasterView.setViewMode('Analysis');
// send unload single to any plugin that is currently loaded
if (!i2b2.h.isBadObjPath('i2b2.PLUGINMGR.ctrlr.main.currentPluginCtrlr')) {
// Something loaded. fire Unload() and exit if cancel is requested
var t = i2b2.PLUGINMGR.ctrlr.main.currentPluginCtrlr.Unload;
if (!t || t()) {
// remove plugin name from tab
try {
$('anaPluginViewBox').select('DIV.tabBox DIV')[0].innerHTML = "Plugin Viewer";
} catch(e) {
console.warn("Could not change PluginViewBox tab label!");
}
// clear plugin view window
if (i2b2.PLUGINMGR.ctrlr.main.currentPluginCtrlr.cfg.config.plugin.isolateHtml) {
// clear IFRAME
var doc = $('anaPluginIFRAME').contentDocument;
if (!doc) {var doc = $('anaPluginIFRAME').contentWindow.document; }
doc.open();
doc.write('<a href="#" style="color:#6677aa" onclick="javascript:jQuery(\'#pluginsMenu\').qtip(\'show\');return false;">Select a plugin to load</a>');
doc.close();
} else {
// clear DIV
var trgt = $('anaPluginViewFrame');
while (trgt.childNodes.length > 0) { trgt.removeChild(trgt.firstChild); }
trgt.innerHTML = '<div class="initialMsg"><a href="#" style="color:#6677aa" onclick="javascript:jQuery(\'#pluginsMenu\').qtip(\'show\');return false;">Select a plugin to load</a></div>';
}
delete i2b2.PLUGINMGR.ctrlr.main.currentPluginCtrlr;
} else {
return false;
}
}
// show the plugin name on the main container tab
try {
if (i2b2[pluginCode].cfg.config.short_name) {
sName = i2b2[pluginCode].cfg.config.short_name;
} else {
sName = i2b2[pluginCode].cfg.config.name;
}
$('anaPluginViewBox').select('DIV.tabBox DIV')[0].innerHTML = sName;
} catch(e) {
console.warn("Could not change PluginViewBox tab label!");
}
// LOAD PLUGIN GUI
if (!i2b2.h.isBadObjPath('i2b2.'+pluginCode+'.cfg.config.plugin.iframe')) {
// the plugin requires loading into an IFRAME
} else if (!i2b2.h.isBadObjPath('i2b2.'+pluginCode+'.cfg.config.plugin.html')) {
// the plugin requires direct loading into the DOM tree
var url = i2b2[pluginCode].cfg.config.assetDir + i2b2[pluginCode].cfg.config.plugin.html.source;
var response = new Ajax.Request(url, {method: 'get', asynchronous: false});
console.dir(response);
if (response.transport.statusText=="OK") {
// load the html into the IFRAME
var doc = $('anaPluginIFRAME').contentDocument;
if (!doc) {var doc = $('anaPluginIFRAME').contentWindow.document; }
doc.open();
doc.write(response.transport.responseText);
doc.close();
// get the main screen DIV
var mainDiv = doc.getElementById(i2b2[pluginCode].cfg.config.plugin.html.mainDivId);
if (!mainDiv) {
alert("The Plugin's screen was loaded but had errors.");
return false;
}
// clear plugin view window
var trgt = $('anaPluginViewFrame');
while (trgt.childNodes.length > 0) { trgt.removeChild(trgt.firstChild); }
// copy the div to our working window and display it.
if (mainDiv.outerHTML) {
// fix for IE issues
trgt.innerHTML = mainDiv.outerHTML;
var scrn = trgt.firstChild;
scrn.style.display = '';
} else {
var scrn = mainDiv.cloneNode(true);
trgt.appendChild(scrn);
scrn.show();
}
// perform GUI changes if the plugin is going to be using standard tabs at the top
var useTabs = false;
if (!i2b2.h.isBadObjPath('i2b2.'+pluginCode+'.cfg.config.plugin.standardTabs')) {
useTabs = Boolean.parseTo(i2b2[pluginCode].cfg.config.plugin.standardTabs);
}
i2b2.PLUGINMGR.view.PlugView.UsesTabs(useTabs);
// show plugin
trgt.show();
// notify the plugin's controller class to activate
try {
i2b2[pluginCode].Init(scrn);
i2b2.PLUGINMGR.ctrlr.main.currentPluginCtrlr = i2b2[pluginCode];
i2b2.PLUGINMGR.ctrlr.main.currentPluginParentDiv = scrn;
} catch(e) {
alert('An error has occurred while trying to initialize the Plugin.');
}
// fire the plugin's Resize() function
i2b2.PLUGINMGR.view.PlugView.ResizeHeight();
// Reconnect any drag drop handlers that have been dropped, if this plugin has been previously loaded (a YUI issue)
YAHOO.util.DDM.reattachHandlers();
} else {
alert('A problem was encounter while loading the plugin.');
return false;
}
} else {
alert("The plugin you clicked does not specify how it needs to be loaded.");
return false;
}
}
};
console.timeEnd('execute time');
console.groupEnd();

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