Difference between revisions of "Chart DSL"

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*'''hasTicks''' will be set with <code>seriesDefaults.setRendererOptions(new MeterGaugeRenderer().setShowTickLabels(<true if hasTicks is selected>);</code> in <code>createChart()</code>.
 
*'''hasTicks''' will be set with <code>seriesDefaults.setRendererOptions(new MeterGaugeRenderer().setShowTickLabels(<true if hasTicks is selected>);</code> in <code>createChart()</code>.
 
*'''intervals''' will be set with <code>seriesDefaults.setRendererOptions(new MeterGaugeRenderer().setShowTickLabels((<true if hasTicks is selected>).setLabel("numOrders").setIntervals(<list of <signed interval value>f >).setIntervalColors(<list of <rgb to Hex string>>));</code> in <code>createChart()</code>.
 
*'''intervals''' will be set with <code>seriesDefaults.setRendererOptions(new MeterGaugeRenderer().setShowTickLabels((<true if hasTicks is selected>).setLabel("numOrders").setIntervals(<list of <signed interval value>f >).setIntervalColors(<list of <rgb to Hex string>>));</code> in <code>createChart()</code>.
 
  
 
► '''Example''':
 
► '''Example''':

Revision as of 14:16, 5 August 2016

Copyright Notice

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(c) 2016-2024 Compex Systemhaus GmbH

Introduction

Vaadin

Vaadin is a web application framework for Java. In contrast to Javascript libraries and browser-plugin based solutions, Vaadin features a complete stack that includes a robust server-side programming model as well as client-side development tools based on GWT and HTML5.

More information: https://vaadin.com/home

jqPlot

jqPlot (http://www.jqplot.com) is a plotting and charting plugin for the jQuery Javascript framework and is dual licensed under the MIT and GPL version 2 licenses. jqPlot produces line, bar and pie charts with many features.

dCharts

dCharts is Vaadin add-on for creating charts and is a wrapper for jqPlot library.
For now dCharts support:

Bar Charts Block Charts Bubble Charts Donut Charts Line Charts
Charts Charts-01.png Charts-02.png Charts-03.png Charts-04.png Charts-05.png
Meter Gauge Charts OHLC, HLC and
Candlestick Charts
Pie Charts Pyramid Charts Waterfall Charts
Charts-06.png Charts-07.png Charts-08.png Charts-09.png Charts-10.png
Events mouse enter mouse leave click right click


To enable it in OSBP it was neccessary to add OSGi capabilities to the addon.

Chart DSL

Chart DSL generates the vaddin dCharts ui.

The main semantic elements of the ChartDSL are:

  • package - the root element that contains all the other elements. A model can contain multiple packages.
  • import declarations - used to import external models or even Java classes.
  • chart - define the chart configurations, e.g. chart type, polling time, datamart details, etc.
  • as bar/line/pie/donut/bubble/gauge/tree - define the type for this chart .
  • using datamart - define the data source details for this chart , e.g. row/column configurations, legend details and tooltips configurations.


Syntax

Package

Syntax:

package <package name>  {
    import <import models/class name>
     ...

    chart... [using datamart <datamart name>
    {
         ...
    }]
...
}

Chart

Syntax:

chart <char name> [described by <discription>] as 
    <chart type>
    [polling <polling time number>]
    [using datamart <datamart name> {
           ...
    }]

Generate a <chartame>+Chart.java file, in which a java class named <chartname>+Chart extended from java class AbstractHybridVaaclipseView is defined. In this class, chart and chart configurations are defined.

For the tree chart, generate explicit a <chartname>+<treetype>+JsChart.java file, a <chartname>+<treetype>+JsState.java file and a Treemap+<chartname>+<treetype>.js file.

The methods collapse(), expand(), change(), update(), click() or posistion() are defined for CollapseTree or TreeMap.

polling time sets chartRefresher.setRefreshInterval as polling time number * 1000 ms in createView(). It is only for bpm.


chart type

Define how the chart will be displayed, chart type is including

  • bar,
  • line,
  • pie,
  • donut,
  • bubble,
  • gauge and
  • tree

Syntax:

bar [shaded] [animated] [swapped] [stacked]
| line [animated] [showMarker] [trendline] [cursor [zoom] [tooltip]] [fillZero] [filled]
| pie [empty] 
| donut
| bubble [multiplier <value number>] [gradient | transparent]
| gauge [label <label value>] [hasTicks minimum <minValue number> maximum <maxValue number>][ intervals { up to <signed interval value> segmentcolor <rgb string>}]
| tree map|collapsible


Bar

Bar charts illustrate values as vertical or horizontal bars, respectively. Multiple data series, that is, two-dimensional data, are shown with thinner bars or columns grouped by their category.

Syntax:

bar [shaded] [animated] [swapped] [stacked]
Barchart Sample

Notes:

  • Inner axis is category axis and the outer axis is data axis.
  • shaded will be set with seriesDefaults.setShadow(true).setShadowAlpha(0.05f); in createChart().
  • animated will be set with options.setAnimate(true); in createChart().
  • swapped will be axisSwith which means YX instead of XY as axisPrefix..
  • stacked will be set with options.setStackSeries(true); in createChart().

Example:

chart SalesPerRegion described by "Sales per state/province" as bar shaded stacked swapped using datamart SalesByDistrict {
    axis rows renders category
    axis columns renders linear tickangle 25 
    legend inside toggle replot slow
    tooltip east always inside
}
Line

Line charts connect the series of data points with lines. In the basic line charts the lines are straight.

Syntax:

line [animated] [showMarker] [trendline] [cursor [zoom] [tooltip]] [fillZero] [filled]
Line chart sample

Notes:

  • inner axis is category axis and the outer axis is data axis.
  • animated will be set with options.setAnimate(true); in createChart().
  • showMarker will be set with columnsSeries.addSeries(new XYseries(Yaxes.Y<scaleOrdinal>).setLabel(columnsTitlesArray.get(<measure counter>)).setShowMarker(<true if showMarker is selected>));<(code> in <code>createChart() if multiple axes are defined in datamart, or columnsSeries.addSeries(new XYseries().setLabel(<columnsTitlesArray string>).setShowMarker(<true if showMarker is selected>)); in createChart() if no multiple axes is defined in datamart.
  • trendline will be set with seriesDefaults.setTrendline(new Trendline().setShow( true).setLineWidth(1)); in createChart().
  • cursor will be set with Cursor cursor = new Cursor().setShow(true).setZoom(<true if zoom is selected>).setShowTooltip(<true if tooltip is selected>);options.setCursor(cursor); in createChart().
  • fillZero and filled will be set with seriesDefaults.setFillToZero(<true if fillZero is selected>).setFill(<true if filled is selected>); in createChart().

Example:

chart SalesByState described by "Sales by state and time" as line cursor zoom trendLine using datamart SalesByState {
    axis columns renders linear
    axis rows renders category tickangle 20
    legend inside toggle replot normal
    tooltip north-east always inside
}
Pie

A pie chart illustrates data values as sectors of size proportionate to the sum of all values.

Syntax:

pie [empty]


Notes:

  • inner axis is data axis and the outer axis is category axis.
  • empty will be set with seriesDefaults.setRendererOptions(new PieRenderer().setShowDataLabels(true).setFill(<true if empty is selected>)); in createChart().

Example:

chart WarehouseFinance described by "Warehouse sales and cost" as pie using datamart WarehouseFinance {
    axis rows renders category
    axis columns renders linear
    legend inside toggle replot slow
    tooltip west inside
}
Donut

A donut chart is a special pie chart, with inner size greater than zero.

Syntax:

donut
Donut Chart Sample

Notes:

  • inner axis is data axis and the outer axis is category axis.


Example:

chart StoreSizes described by "Store sizes by state and type of store" 
as donut using datamart StoreSizes {
    axis rows renders category
    axis columns renders linear
    legend inside toggle replot fast
    tooltip north-east always inside
}
Bubble

Bubble charts are a special type of scatter charts for representing three-dimensional data points with different point sizes. The bubble charts make it easier to define the size of a point by its third (Z) dimension. The bubble size is scaled automatically, just like for other dimensions. The default point style is also more bubbly.

Syntax:

bubble [multiplier <value number>] [gradient | transparent]
Bubble Chart Sample

Notes:

  • inner axis is data axis and the outer axis is category axis.
  • multiplier will be set with seriesDefaults.setRendererOptions(new BubbleRenderer().setVaryBubbleColors(true).setAutoscaleMultiplier(<value number>f).setShowLabels(false).setAutoscaleBubbles true)); in createChart().
  • gradient will be set with seriesDefaults.setRendererOptions(new BubbleRenderer().setVaryBubbleColors(true).setBubbleGradients(true).setShowLabels(false).setAutoscaleBubbles(true)); in createChart().
  • transparent will be set with <code>seriesDefaults.setRendererOptions(new BubbleRenderer().setVaryBubbleColors(true).setHighlightAlpha(0.8f).setBubbleAlpha(0.6f).setShowLabels(false).setAutoscaleBubbles(true)); in createChart().


Example:

chart HRExpenses described by "Average salary" as bubble multiplier 1.5 gradient using datamart HRExpenses {
    axis rows renders category
    axis columns renders linear
    tooltip north-east always inside
}
Gauge

A gauge is an one-dimensional chart with a circular Y-axis, where a rotating pointer points to a value on the axis. A gauge can, in fact, have multiple Y-axes to display multiple scales.

Syntax:

gauge [label <label value>] [hasTicks minimum <minValue number> 
maximum <maxValue number>][ intervals { up to <signed interval value> segmentcolor <rgb string>}]
Gauge Chart Sample

Notes:

  • inner axis is data axis and the outer axis is category axis.
  • label will be set with <code>seriesDefaults.setRendererOptions(new MeterGaugeRenderer().setShowTickLabels(<true if hasTicks is selected>).setLabel(<label value>); in createChart().
  • hasTicks will be set with seriesDefaults.setRendererOptions(new MeterGaugeRenderer().setShowTickLabels(<true if hasTicks is selected>); in createChart().
  • intervals will be set with seriesDefaults.setRendererOptions(new MeterGaugeRenderer().setShowTickLabels((<true if hasTicks is selected>).setLabel("numOrders").setIntervals(<list of <signed interval value>f >).setIntervalColors(<list of <rgb to Hex string>>)); in createChart().

Example:

chart WarehouseData described by "shipped orders per quarter" as gauge label "numOrders" hasTicks minimum 0 maximum 80000 intervals {
    up to 10000 segmentcolor "230,128,64" /* orange */
    up to 40000 segmentcolor "255,0,0"
    up to 80000 segmentcolor "128,255,0"
    } 
    using datamart WarehouseShipping {
    axis rows renders category
    axis columns renders linear
}
Tree

A tree is used to display hierarchical data. It consists of a group of rectangles that contains other rectangles, where the size of a rectangle indicates the item value.

Syntax:

tree map|collapsible
Tree Chart Sample

Notes: For the tree chart, generate explicit a <chartname>+<treetype>+JsChart.java file, a <chartname>+<treetype>+JsState.java file and a Treemap+<chartname>+<treetype>.js file. The methods collapse(), expand(), change(), update(), click() or posistion() are defined for CollapseTree or TreeMap in xx.js file. ►Example 1:

chart TreemapSales described by "Sales by product" as tree map using datamart TreemapSales {
    axis rows renders category
    axis columns renders linear
}

Example 2:

chart TreemapSales described by "Sales by product" as tree map using datamart TreemapSales {
    axis rows renders category
    axis columns renders linear
}

using datamart