Class: Context

Methods

---

advertiseAs(uiHelper, helperName)

Attaches a Helper to the context, so that it can be found later on.

Designed to be used as a helper method for the included WebComponents. A full tutorial on how to work with and customize the Web Components can be found here: Web Component Interface

Parameters:

Name	Type	Description
uiHelper	CIQ.UI.Helper	A UI Helper to attach
helperName	string	The helperName of the element. For instance "Loader"

---

changeSymbol(data)

Abstract method that should be overridden. See example.

Designed to be used as a helper method for the included WebComponents. A full tutorial on how to work with and customize the Web Components can be found here: Web Component Interface

Parameters:

Name	Type	Description
data	Object	A symbol data object acceptable for CIQ.ChartEngine#loadChart

Example

UIContext.changeSymbol=function(data){
		var stx=this.stx;
		if(this.loader) this.loader.show();
		if(data.symbol==data.symbol.toLowerCase())
			data.symbol=data.symbol.toUpperCase(); // set a pretty display version


		// reset comparisons - remove this loop to transfer from symbol to symbol.
		for(var field in stx.chart.series) {
			// keep studies
			if (stxx.chart.series[field].parameters.bucket != "study" ) stx.removeSeries(field);
		}

		var self=this;
		stx.loadChart(data, function(err) {
			if(err){
				// add 'symbol not found error' here if one needed.
				if(self.loader) self.loader.hide();
				return;

			}
			if(self.loader) self.loader.hide();
			restoreDrawings(stx, stx.chart.symbol);
		});
	};

---

isModal()

Checks if the context in modal mode.

Designed to be used as a helper method for the included WebComponents. A full tutorial on how to work with and customize the Web Components can be found here: Web Component Interface

Returns:

true if in modal mode

Type

Boolean

---

setLoader(loader)

Attaches a loader to a UI context.

Designed to be used as a helper method for the included WebComponents. A full tutorial on how to work with and customize the Web Components can be found here: Web Component Interface

Parameters:

Name	Type	Description
loader	CIQ.UI.Loader	Loader instance

---

setLookupDriver(driver)

Sets the lookup driver to be used with the cq-lookup web component.

Designed to be used as a helper method for the included WebComponents. A full tutorial on how to work with and customize the Web Components can be found here: Web Component Interface

The lookup driver will be called to search for matching symbols as data is typed into the set UIContext.UISymbolLookup field.

See function startUI() in sample-template-advanced.html for complete sample implementation.

Parameters:

Name	Type	Description
driver	CIQ.ChartEngine.Driver.Lookup	Lookup driver for cq-lookup component

Example

UIContext=new CIQ.UI.Context(stxx, $("cq-context,[cq-context]"));
UIContext.setLookupDriver(new CIQ.ChartEngine.Driver.Lookup.ChartIQ());
UIContext.UISymbolLookup=$(".ciq-search cq-lookup")[0];
UIContext.UISymbolLookup.setCallback(function(context, data){
	context.changeSymbol(data);
});