Home > Class Reference > ENSLIB namespace > %DeepSee.Component.coverView
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class %DeepSee.Component.coverView extends
%ZEN.Component.component, %ZEN.Component.dataView

Cover view component.
This provides an way to display a set of options as "book covers". Each cover is defined by a javaScript object or its string equivalent in JSON format.


Parameters Properties Methods Queries Indices ForeignKeys Triggers
2 12 23


%condition %controller %import %includeFiles
%page %resource align aux
backgroundStyle composite containerStyle controller
controllerId defaultCategory designMode dragEnabled
dropEnabled enclosingClass enclosingStyle error
height hidden hint hintClass
hintStyle id index label
labelClass labelDisabledClass labelStyle name
onactivate onafterdrag onbeforedrag ondrag
ondrop ongetdata ongetdetails ongetitemcontext
onhide onnotifyView onrefresh onselect
onselectelement onshow onupdate parent
selectedElement selectedIndex showLabel slice
title tuple valign visible
width window zoomLevel

%AddToSaveSet %Attr %BindExport %ClassIsLatestVersion
%ClassName %ConstructClone %DispatchClassMethod %DispatchGetModified
%DispatchGetProperty %DispatchMethod %DispatchSetModified %DispatchSetMultidimProperty
%DispatchSetProperty %DrawComponentHTML %DrawHTML %DrawJSStrings
%EnclosingDivId %Eval %EvalC %Extends
%ForceClientRender %GetEventHandlers %GetParameter %GetXMLName
%IsA %IsModified %MakeId %New
%NormalizeObject %ObjectModified %OnAddToPageAfter %OnAddToPageBefore
%OnDrawEnclosingDiv %OnDrawObjectProperties %OnObjectSynch %OnZENDeserialize
%OriginalNamespace %PackageName %QuoteValue %QuoteValueL10N
%RemoveFromSaveSet %Self %SerializeObject %SetModified
%ValidateObject XMLDTD XMLExport XMLExportToStream
XMLExportToString XMLNew XMLSchema XMLSchemaNamespace
XMLSchemaType activateCover dragFinishHandler dragHandler
dragNotifyHandler dragStartHandler dropHandler dropStartHandler
escapeJS evalSpec exposeComponent findElement
fireOnUpdateEvent getController getCoverArt getCoverObject
getEnclosingDiv getHidden getHintElement getLabelElement
getModel getProperty getSettings getType
invokeSuper isOfType makeId notifyViewHandler
onCreate onDelete onDisplayHandler onEndModalHandler
onPopupAction onRefreshContents onSerialize onStartModalHandler
onloadHandler onunloadHandler onupdateHandler parseStyle
refreshContents render renderContents renderSVG
selectCover selectElement selectorMouseDown sendEventToController
setControllerId setCoverObject setHidden setOverlayMode
setProperty specToString startProgressBar stopProgressBar


• parameter DEFAULTENCLOSINGCLASS = "dsCoverDiv";
Subclasses can set this to change default enclosingClass used for this component.
• parameter NAMESPACE = "http://www.intersystems.com/deepsee";
This is the XML namespace used for library components.


• property backgroundStyle as %ZEN.Datatype.style;
Style applied to coverView background and category labels.
• property defaultCategory as %ZEN.Datatype.caption [ InitialExpression = $$$Text("Others","%DeepSee") ];
Category to use for items with no category.
• property designMode as %ZEN.Datatype.boolean [ InitialExpression = 0 ];
True for cover editor page.
• property onactivate as %ZEN.Datatype.eventHandler;
onactivate event handler: If defined, this event is fired when the user invokes an action on a cover.
• property ongetdata as %ZEN.Datatype.eventHandler;
ongetdata event handler: If defined, this event is returns an array of items to be displayed within this component.
• property ongetdetails as %ZEN.Datatype.eventHandler;
ongetdetails event handler: If defined, this event is fired in order to get a list of popup details for a cover.
• property ongetitemcontext as %ZEN.Datatype.eventHandler;
ongetitemcontext event handler: If defined, this returns a context object for the given cover. This is used to resolve $var references within covers.
• property onselect as %ZEN.Datatype.eventHandler;
onselect event handler: If defined, this event is fired when the user clicks on a cover.
• property onselectelement as %ZEN.Datatype.eventHandler;
onselectelement event handler: Design mode only. If defined, this event is fired when the user clicks on a cover element.
• property selectedElement as %ZEN.Datatype.string(ZENSETTING=0);
Used by cover editor.
• property selectedIndex as %ZEN.Datatype.integer [ InitialExpression = -1 ];
Index (0-based) of selected cover.
• property zoomLevel as %ZEN.Datatype.integer(XMLPROJECTION="none",ZENSETTING=0) [ InitialExpression = 1 ];
Zoom level (1,2 or 3).


• method %DrawHTML()
Static HTML display method: draw the BODY of this component as HTML.
Subclasses implement this in order to render the static HTML contents of a component.
• method activateCover(evt, index, action) [ Language = javascript ]
Invoke the given action for the given cover.
• method escapeJS(str) [ Language = javascript ]
Utility method. Escape a javascript string.
• method evalSpec(spec) [ Language = javascript ]
Convert a spec string into a spec object.
• method getCoverArt(index, book, popupMode) [ Language = javascript ]
Get HTML for one book cover. A spec is a ^-delimited string of rendering instructions. Each piece takes the form: "type:header;text:ABC;style:prop:val;" style is always at the end.
• method getCoverObject(index) [ Language = javascript ]
Given its index (0-based), return the book object for a cover.
• method getModel() [ Language = javascript ]
Get the model used to drive the view.
• method notifyViewHandler(reason, data1, data2, data3) [ Language = javascript ]
Notification that the dataController associated with this dataView has raised an event.
• method parseStyle(style) [ Language = javascript ]
Utility method. Split a css value into individual style values. Return an object containing these values.
• method renderContents() [ Language = javascript ]
Client-side method to render this control.
• method selectCover(index, force) [ Language = javascript ]
Select a cover given its index (0-based).
• method selectElement(which, notify) [ Language = javascript ]
Select an element within the cover.
• method selectorMouseDown(evt) [ Language = javascript ]
User has clicked on the element selector.
• method setCoverObject(index, book) [ Language = javascript ]
Given its index (0-based), set the book object for a cover.
• method setProperty(property, value, value2) [ Language = javascript ]
Set the value of a named property.
• method specToString(specObj) [ Language = javascript ]
Convert a display spec back into a json string.