User Interactions in EJ 1 ASP.NET Core RangeNavigator

22 Feb 20184 minutes to read

Highlight

EjRangeNavigator provides highlighting supports to the intervals on mouse hover. To enable the highlighting option, set the Enable property to true in the HighlightSettings of NavigatorStyleSettings.

  • cshtml
  • <div>
        <ej-range-navigator id="range" load="loadingdata">
            <e-chart-series>
                <e-series name="Product A" type="Line" enable-animation="false" fill="#69D2E7" opacity="0.5">
                </e-series>
            </e-chart-series>
            <e-selected-range-settings start="2010/5/1" end="2010/10/1"></e-selected-range-settings>
            <e-navigator-style-settings><e-highlight-settings enable="true"></e-highlight-settings></e-navigator-style-settings>
        </ej-range-navigator>
    </div>

    User-Interactions_img1

    Customize the highlight style

    To customize the highlighted intervals, use color, border and opacity options in the HighlightSettings.

  • cshtml
  • <div>
        <ej-range-navigator id="range" load="loadingdata">
            <e-chart-series>
                <e-series name="Product A" type="Line">
                </e-series>
            </e-chart-series>
            <e-selected-range-settings start="2010/5/1" end="2011/10/1"></e-selected-range-settings>
            <e-navigator-style-settings><e-highlight-settings enable="true" color="#006fa0"><e-border color="red" width="2"></e-border></e-highlight-settings></e-navigator-style-settings>
            </ej-range-navigator>
    </div>

    User-Interactions_img2

    Selection

    EjRangeNavigator provides selection supports to the intervals by, clicking and dragging the highlighted intervals. To enable the selection option, set the Enable property to true in the SelectionSettings.

  • cshtml
  • <div>
    <ej-range-navigator id="range" load="loadingdata">
        <e-chart-series>
            <e-series name="Product A" type="Line">
            </e-series>
        </e-chart-series>
        <e-selected-range-settings start="2010/5/1" end="2011/10/1"></e-selected-range-settings>
        <e-navigator-style-settings><e-selection-settings enable="true"></e-selection-settings></e-navigator-style-settings>
        </ej-range-navigator>
    </div>

    User-Interactions_img3

    Customize the selection style

    To customize the selected intervals, use color, border and opacity options in the SelectionSettings.

  • cshtml
  • <div>
        <ej-range-navigator id="range" load="loadingdata">
            <e-chart-series>
                <e-series name="Product A" type="Line">
                </e-series>
            </e-chart-series>
            <e-selected-range-settings start="2010/5/1" end="2011/10/1"></e-selected-range-settings>
            <e-navigator-style-settings><e-selection-settings enable="true" color="#27e8e5"><e-border color="red" width="2"></e-border></e-selection-settings></e-navigator-style-settings>
            </ej-range-navigator>
    </div>

    User-Interactions_img4

    Scrollbar

    • To render the Scrollbar in RangeNavigator, you need to enable EnableScrollbar option.

    • ScrollRangeSettings of RangeNavigator Start and End value is used to set the minimum and maximum datasource value to be added in the range navigator.

    • Based on the ScrollRangeSettings Start, End value and dataSource Start, End value scrollbar will be adjust.

    • When you change the scrollbar position, ScrollEnd event returns the current position of start and end range value.

  • cshtml
  • <div>
    <ej-range-navigator id="range" load="loadingdata" enable-scrollbar="true" scroll-end="onScrollbarChange">
        <e-chart-series>
            <e-series name="Product A" type="Line">
            </e-series>
        </e-chart-series>
        <e-selected-range-settings start="2010/5/1" end="2011/10/1"></e-selected-range-settings>
        <e-scroll-range-settings start="2010/1/1" end="2011/11/31"></e-scroll-range-settings>
        </ej-range-navigator>
    </div>
  • js
  • function onScrollbarChange(sender) {
                var start  = sender.data.newRange.start;
                var end  = sender.data.newRange.end;
          }

    User-Interactions_img5