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R4897/js-i2b2/hive/help_viewer.js
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help_viewer.js
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/**
* @projectDescription Help file viewer
* @inherits i2b2
* @namespace i2b2
* @author Nick Benik, Griffin Weber MD PhD
* @version 1.3
* ----------------------------------------------------------------------------------------
* updated 9-15-08: RC4 launch [Nick Benik]
*/
console.group('Load & Execute component file: hive > helpviewer');
console.time('execute time');
i2b2.hive.HelpViewer = {
show: function() {
if (!i2b2.hive.HelpViewer.yuiPanel) {
// load the help page
new Ajax.Updater('help-viewer-body', 'help/default.htm', {method: 'get', parameters: { cell: 'CORE', page:'ROOT' }});
// show non-modal dialog with help documentation
var panel = new YAHOO.widget.Panel("help-viewer-panel", {
draggable: true,
zindex:10000,
width: "900px",
height: "550px",
autofillheight: "body",
constraintoviewport: true,
context: ["showbtn", "tl", "bl"]
});
$("help-viewer-panel").show();
panel.render(document.body);
panel.show();
i2b2.hive.HelpViewer.yuiPanel = panel;
// resizer object and event handlers
i2b2.hive.HelpViewer.resizer = new YAHOO.util.Resize("help-viewer-panel", {
handles: ['br'],
autoRatio: false,
minWidth: 300,
minHeight: 200,
status: false
});
i2b2.hive.HelpViewer.resizer.on('resize', function(args) {
var panelHeight = args.height;
this.cfg.setProperty("height", panelHeight + "px");
}, i2b2.hive.HelpViewer.yuiPanel, true);
i2b2.hive.HelpViewer.resizer.on('startResize', function(args) {
if (this.cfg.getProperty("constraintoviewport")) {
var D = YAHOO.util.Dom;
var clientRegion = D.getClientRegion();
var elRegion = D.getRegion(this.element);
resize.set("maxWidth", clientRegion.right - elRegion.left - YAHOO.widget.Overlay.VIEWPORT_OFFSET);
resize.set("maxHeight", clientRegion.bottom - elRegion.top - YAHOO.widget.Overlay.VIEWPORT_OFFSET);
} else {
resize.set("maxWidth", null);
resize.set("maxHeight", null);
}
}, i2b2.hive.HelpViewer.yuiPanel, true);
} else {
i2b2.hive.HelpViewer.yuiPanel.show();
}
// load the help page
new Ajax.Updater('help-viewer-body', 'help/default.htm', {method: 'get', parameters: { cell: 'CORE', page:'ROOT' }});
},
hide: function() {
try {
i2b2.hive.HelpViewer.yuiPanel.hide();
} catch (e) {}
}
};
console.timeEnd('execute time');
console.groupEnd();
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