Using Zen Components - InterSystems Documentation

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Model View ControllerFigure 6–4: Data Model with Name-Value PairsThe name-value pairs in the data model comprise all of the properties in the data model class, minus those properties markedZENHIDDEN, plus any properties added by %OnGetPropertyInfo, minus any properties deleted by %OnGetPropertyInfo.By default, the number of series is 1, but it could be larger. If there are multiple series in the model, conceptually it becomesa matrix.Figure 6–5: Data Model with Data SeriesYou can add multiple series to the model if you write your own %OnLoadModel method, as in the SAMPLES classZENMVC.ChartDataModel2, shown below. This example creates three series for the model and assigns values to data modelproperties in each of the series.Class ZENMVC.ChartDataModel2 Extends %ZEN.DataModel.ObjectDataModel{Property Cars As %Integer;Property Trucks As %Integer;Property Trains As %Integer;Property Airplanes As %Integer;Property Ships As %Integer;Method %OnLoadModel(pSource As %RegisteredObject) As %Status{Set scale = 100#; This model has multiple data series. We set up the data series here.Set ..%seriesCount = 3Set ..%seriesNames(1) = "USA"Set ..%seriesNames(2) = "Europe"Set ..%seriesNames(3) = "Asia"#; Now we provide data for each property within each series.#; We use the %data array so that we can address multiple series.For n = 1:1:..%seriesCount {186 Using Zen Components
Data Model Classes}Set ..%data(n,"Cars") = $RANDOM(100) * scaleSet ..%data(n,"Trucks") = $RANDOM(100) * scaleSet ..%data(n,"Trains") = $RANDOM(100) * scaleSet ..%data(n,"Airplanes") = $RANDOM(100) * scaleSet ..%data(n,"Ships") = $RANDOM(100) * scale}Quit $$$OK}When your data model has multiple series, if you bind the data model to a chart, the chart automatically picks up the variousseries, although you need to be careful with a pie chart. Series work similarly for a grid. A form can only display one seriesat a time, so you need to rely on the data controller attribute defaultSeries to determine which series is currently in view.6.9.9 Custom Data Model Classes%ZEN.DataModel.ObjectDataModel or %ZEN.DataModel.Adaptor are sufficient for most needs. However, sometimes adeveloper might want to create a special category of data model, for example to represent a global. In that case the developermust subclass %ZEN.DataModel.DataModel and implement the details of this subclass.The following table lists methods that applications can call in order to work with a data model object. The behavior of thesemethods is up to the specific %ZEN.DataModel.DataModel subclass that implements them.Table 6–5: Custom Data Model Class MethodsMethod%DeleteModel%OpenModel%SaveModelDescriptionDelete an instance of a data model object given an identifier value. This takes the givenidentifier value and uses it to delete an instance of a source object (if applicable). (If thedata model object serves as both interface and data source, then the data model objectitself is deleted).Open an instance of a data model object given an identifier value. This takes the givenidentifier value and uses it to find an instance of a source object (if applicable) and thencopies the appropriate values of the source object into the properties of the data modelobject. (If the data model object serves as both interface and data source, then thiscopying is not carried out).Save an instance of a data model object. This copies the properties of the data modelobject back to the appropriate source object (if applicable) and then asks the sourceobject to save itself. (If the data model object serves as both interface and data source,then the data model itself is saved.).Using Zen Components 187
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Using Zen ComponentsVersion 2012.23
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5.6 Selections ....................
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9 Other Zen Components ............
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List of TablesTable 1-1: XML Entiti
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1Zen TablesA Zen table is data-driv
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Data Sources1.2 Data SourcesA elem
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Data SourcesAttributewhereClauseDes
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Data SourcesAttributeOnExecuteResul
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Data SourcesPropertyrowCountDescrip
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Table Columns1.4 Table ColumnsThe
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Table ColumnsAttributeOnDrawCellDes
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Conditional Style for Rows or Cells
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Snapshot ModePredicateNEQSTARTSWITH
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Column Filters1.8 Column FiltersA Z
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Column LinksThis example uses the
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User InteractionsThis example does
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User InteractionsFor columns that c
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Table Touchups1.12 Table TouchupsAn
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Zen and SVG2.2 SVG Component Layout
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Zen and SVGAttributeZen componentat
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Zen and SVGAttributesnapToGridsvgAu
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Zen and SVGThe Zen element takes u
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Zen and SVG• • • • • •
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Zen and SVGAttributethresholdUpperv
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Zen and SVG2.4.5 The light bar prov
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Zen and SVGThe smiley is the famili
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Zen and SVG2.5 ChartsCharts are SVG
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Zen and SVGAttributecaptiononclickD
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3Zen ChartsThis chapter explains ho
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Types of Chart• High/Low Charts
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Types of ChartYou can supply up to
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Types of ChartFigure 3-7: Combo Cha
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Types of ChartFigure 3-10: Area Cha
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Types of ChartFigure 3-12: Line Cha
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Types of ChartA that plots the ite
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Types of ChartFigure 3-15: Pie Char
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Types of ChartFigure 3-17: How Zen
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Providing Data for Zen Page ChartsA
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Providing Data for Zen Page ChartsP
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Providing Data for Zen Page Charts1
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Chart Layout, Style, and BehaviorFi
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Chart Layout, Style, and BehaviorAt
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Chart Layout, Style, and BehaviorAt
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Chart Axes3.3.6 User SelectionsThe
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Chart AxesFigure 3-21: Same data Pl
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4Zen FormsForms permit the user to
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User InteractionsFigure 4-1: Class
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Defining a FormAttributekeymethodne
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Providing Values for a FormAttribut
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Errors and Invalid ValuesExecute th
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User Login FormsUser ViewpointIn th
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Dynamic Forms2. The second subscrip
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Zen ControlsTable 5-1: Control Comp
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Zen ControlsAttributeoriginalValuer
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Zen Controls• — The user click
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Zen Controls2. In the %OnAfterCreat
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Zen ControlsNote:For an example of
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Zen ControlsAttributedisplayListDes
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Zen Controls5.6.4 The component di
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Zen ControlsAttributevalueListDescr
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Zen Controlscan simply appear when
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Zen ControlsThe Zen control is not
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Zen Controls has the following attr
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Zen Controls• Solutions to proble
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Zen ControlsAttributescrollIntoView
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Zen Controls5.7.5.3 Logical and Di
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Zen ControlsAttributechoiceColumncl
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Zen ControlsAttributevalueColumnDes
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Zen ControlsAttributedayListDescrip
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Page 152 and 153: Zen ControlsFigure 5-1: Data Model
Page 154 and 155: Zen ControlsAttributeheighthiddenla
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Page 176 and 177: Model View ControllerAlso observe t
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Page 180 and 181: Model View Controller3. Add this ,
Page 182 and 183: Model View Controller• Click OK.T
Page 184 and 185: Model View Controllerkey:value[CR]k
Page 186 and 187: Model View ControllerThe data model
Page 188 and 189: Model View ControllerSince you have
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Page 192 and 193: Model View ControllerProperty Param
Page 194 and 195: Model View ControllerMethod%OnStore
Page 199 and 200: 7Navigation ComponentsThe “Zen La
Page 201 and 202: Links7.1 LinksThe following Zen com
Page 203 and 204: LinksThe corresponding definition
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Page 227 and 228: FiltersEvery component automatical
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Page 233 and 234: Modal GroupsNo data entered yet. 5.
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Dialogs• Copy the class %ZEN.Dial
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Other Zen ComponentsThe content may
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Other Zen ComponentsIE is different
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Other Zen ComponentsreadOnly="true"
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Other Zen ComponentsAttributecurrSl
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Other Zen ComponentsOn the output s
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Other Zen Components• pHeaders is
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Other Zen ComponentsAttributeidDesc
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Other Zen ComponentsAttributecaptio
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Other Zen ComponentsAttributeonsele
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Other Zen ComponentsAttributeZen co
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IndexSymbols%OnSubmit, 96%query, 15
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colorPane face, 246colorPane onchan
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dateText separator, 139dateText sho
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frameAlign, iframe, 241frameBorder,
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link style, 192link target, 192link
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onclick, link, 192onclick, menuItem
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plotStyle, chart, 80plotToEdge, 80p
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showTime, 135, 139showTime, calenda
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title, yAxis, 86titleList, 112, 115
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