ptcs-chart-bar¶
Visual¶
Overview¶
ptcs-chart-bar
is a compound component that enables you to visualize data as a bar chart. In addition to the bar chart area, the chart has areas for a title, notes, legend, an X-axis, a Y-axis, and an Action Bar area for selecting / un-selecting all bars and for toggling legend visibility.
Usage Examples¶
Basic Usage¶
<ptcs-chart-bar items="[[bar-chart-data]]"></ptcs-chart-bar>
Component API¶
Properties¶
Property | Type | Description | Default |
---|---|---|---|
titleLabel | String | The chart title | |
titlePos | String | Specifies the title position. Supported values: "top", "bottom", "left", or "right" | top |
titleAlign | String | Specifies the title alignment. Supported values: "left", "center", or "right" | center |
notesLabel | String | The notes text | |
notesPos | String | Specifies the notes position. Supported values: "top", "bottom", "left", or "right" | bottom |
notesAlign | String | Specifies the notes alignment. Supported values: "left", "center", or "right" | center |
xAxisLabel | String | Specifies the x-axis label | |
xAxisAlign | String | Specifies the alignment of the x-axis label. Supported values: "left", "center", or "right" | center |
hideXAxis | Boolean | Hides the x-axis | false |
yAxisLabel | String | Specifies the y-axis label | |
yAxisAlign | String | Specifies the alignment of the y-axis label. Supported values: "left", "center", or "right" | center |
hideYAxis | Boolean | Hides the y-axis | false |
NumberOfYLabels | Number | Set the number of labels on the Y-axis | |
hideValues | Boolean | Toggle to hide bar values | false |
referenceLines | Array | An array of items with properties label and value for threshold lines on the y-axis |
|
hideLegend | Boolean | Hide the chart legends area | false |
showLegendButton | Boolean | Show a button in the Action Bar area for toggling the legend visibility? | false |
legend | Array | Array of strings that specifies the legend names | |
legendPos | String | Specifies the legend position. Supported values: "top", "bottom", "left", or "right" | "right" |
legendAlign | String | Specifies the alignment of the legend. Supported values: "start", "center", or "end" | start |
legendShape | String | Specifies the shape of the legend. Supported values: "square", "circle", "none" | square |
filterLegend | Boolean | If true, each legend item has a checkbox that allows the user to hide or show the corresponding data | false |
flipAxes | Boolean | Flip the positions of the x- and y-axes | false |
flipXAxis | Boolean | Flip the position of the x-axis to the other side of the chart | false |
flipYAxis | Boolean | Flip the position of the y-axis to the other side of the chart | false |
showXRulers | Boolean | Show rulers that corresponds to the ticks of the x-axis | false |
showYRulers | Boolean | Show rulers that corresponds to the ticks of the y-axis | false |
frontRulers | Boolean | Draw rulers on top of the bars | false |
reverseXAxis | Boolean | Reverse the order of the x-axis | false |
reverseYAxis | Boolean | Reverse the order of the y-axis | false |
specXMin | String | Specifies the start label of the X-axis | |
specXMax | String | Specifies the end label of the X-axis | |
specYMin | "baseline" or "auto" or Number | Specifies the start value of the Y-axis. "baseline": start from zero if the minimum value in the data is non-negative. Otherwise use "auto". "auto": Use the minimum value of the data and subtract 20% of the full range of the data. Number: start at specified number. | baseline |
specYMax | "auto" or Number | Specifies the end value of the Y-axis. See specYMin for details | auto |
yAxisNumberFormatSpecifier | String | The number format to use on the y-axis (e.g. '0.00') | |
yChartValueFormat | String | Sets the number format (e.g. '0.00') to use for the y-values in the chart area | Inherits the value from yAxisNumberFormatSpecifier or displays the value "as is", unformatted |
xZoomSlider | Boolean | Shows a zoom slider for the X-axis | false |
xZoomSliderLabel | String | Specifies the label for the X-axis Zoom Slider | |
xZoomSliderMaxLabel | String | Specifies the Maximum label for the X-axis Zoom Slider | |
xZoomSliderMinLabel | String | Specifies the Minimum label for the X-axis Zoom Slider | |
yZoomSlider | Boolean | Shows a Zoom Slider for the Y-axis | false |
yZoomSliderLabel | String | Specifies the label for the Y-axis Zoom Slider | |
yZoomSliderMaxLabel | String | Specifies the Maximum label for the Y-axis Zoom Slider | |
yZoomSliderMinLabel | String | Specifies the Minimum label for the Y-axis Zoom Slider | |
data | Array | The chart data | |
stack | String | Stack method. Only used when each x-value has several y-values. Supported values: "none", "auto", "expand". | none |
showValues | String | Shows the value of each bar. Supported values: "none", "inside", "outside" | inside |
hideZeroRuler | Boolean | Hides the zero ruler | false |
outerPadding | String | Padding, in percentage of bar width, before and after the bars in the chart area | 0 |
innerPadding | String | Padding, in percentage of bar width, between bars that belong to different groups | 0 |
groupPadding | String | Padding, in percentage of bar width, between bars that belong to the same group | 0 |
sparkView | Boolean | Displays chart preview by hiding certain parts e.g. legend | false |
showY2Axis | Boolean | Displays the secondary y-axis | false |
reverseY2Axis | Boolean | Reverse the order of the secondary y-axis | false |
data2 | Array | The chart data attached to the secondary y-axis | |
specY2Min | String | Specifies the start value of the Y-axis. See specYMin for details | auto |
specY2Max | String | Specifies the end value of the Y-axis. See specYMin for details | auto |
y2AxisLabel | String | Specifies the secondary y-axis label | |
y2AxisAlign | String | Specifies the alignment of the secondary y-axis label. Supported values: "left", "center", or "right" | center |
y2AxisNumberFormatSpecifier | String | The number format (e.g. '0.00') to use on the secondary y-axis. | |
yAxisRulerAlignment | String | Aligns the Y-axis rulers with the tick markers of the primary or secondary Y-axis | primary |
horizontalTicksRotation | Number | Sets the rotation of horizontal axis ticks in degrees. The allowed range is: -180 to 180. If this property is not specified, horizontal axis ticks auto-rotates 90 degrees if they collide when not rotated. | |
selectionMode | String | Set selection mode: "none" (default) - no bars can be selected. "single" - one bar can be selected. "multiple" - any number of bars can be selected. The "multiple" option displays a link in the Action Bar area for selecting / un-selecting all bars. |
"none" |
tooltipTemplate | String | Custom tooltip to display when a data point on the chart is selected. You can show a title, text, data values, and create new lines. Use the following syntax: Add #title# before a string to show a title, #newline# to create a new line, ${ |
|
disabled | Boolean | Is the bar chart disabled? |
Events¶
Name | Data | Description |
---|---|---|
series-click | (serieIx, valueIx, x, y) | Bar data |
zoom-selection | detail: {x: left, y: top, w: right - left, h: bottom - top} |
Selected area |
chart-selection | selection | Chart selection |
Styling¶
The Parts of a Bar Chart¶
A ptcs-chart-bar
consist of these sub-components:
- ptcs-chart-layout, for chart layouts
- ptcs-chart-legend, for chart legend
- ptcs-chart-coord, for combining a chart with a coordinate system (adds axes and rulers)
- ptcs-chart-axis, for chart axes
- ptcs-chart-core-bar, for the bar charts
- ptcs-chart-zoom, for chart zoom controls
- ptcs-toolbar, for the
Select All
/Clear All
link, theShow Legend
/Hide Legend
button to toggle legend visibility and theReset
button to reset the zooming.
Parts¶
Part | Description |
---|---|
chart-layout | The ptcs-chart-layout subcomponent |
title-area | The chart title area container |
title-label | The chart title |
notes-area | The chart notes area container |
notes-label | The chart notes title |
chart | The ptcs-chart-coord subcomponent |
core-chart | The ptcs-chart-core-bar subcomponent |
legend-area | The legend area container |
legend | The ptcs-chart-legend subcomponent |
zoom-xaxis | The ptcs-chart-zoom subcomponent for x-axis |
xaxis | The ptcs-chart-axis subcomponent for x-axis |
zoom-yaxis | The ptcs-chart-zoom subcomponent for y-axis |
yaxis | The ptcs-chart-axis subcomponent for y-axis |
yaxis2 | The ptcs-chart-axis subcomponent for secondary y-axis |
action-bar-area | The action bar area container |
action-bar | The ptcs-toolbar subcomponent |
The title-label
and notes-label
get assigned as maximum width the width of their parents (title-area
and notes-area
,
respectively).
State attributes¶
Attribute | Description | Part |
---|---|---|
disabled | Is the Bar Chart disabled? | :host |