Expand to 100% Height and Auto-Resize

You can vertically expand and resize the Splitter together with the browser window.

Web standards require that elements with percentage height have a parent element with an explicit height. The rule applies recursively until an element with a pixel height is reached or until the <html> element is reached. If the requirement is not met, the computed height of the Splitter falls back to auto and the widget collapses, depending on its content.

You have to also remove the border of the Splitter. Elements that are 100% high cannot have borders, margins, paddings, and sibling elements. In a nested Splitter, the inner Splitters remove their borders automatically given that each Splitter is a direct child of a parent pane.

Automatic Resizing to 100% Height

In the following example, the outer Splitter has no siblings and has a 100% height style applied. Its parent is the <body> element, so it receives a height:100% style. This in turn requires the <html> element to obtain the same style.

<style>
    html,
    body
    {
        height:100%;
        margin:0;
        padding:0;
        overflow:hidden;
    }

    #vertical,
    #horizontal
    {
        height:100%;
    }

    #vertical
    {
        border-width: 0;
    }
</style>

<div id="vertical">
    <div>
        <p>
            Outer splitter : top pane (resizable and collapsible)
        </p>
    </div>
    <div>
        <div id="horizontal">
            <div>
                <p>
                    Inner splitter :: left pane
                </p>
            </div>
            <div>
                    Inner splitter :: center pane
            </div>
            <div>
                <p>
                    Inner splitter :: right pane
                </p>
            </div>
        </div>
    </div>
    <div>
        <p>
            Outer splitter : bottom pane (non-resizable, non-collapsible)
        </p>
    </div>
</div>

<script>
    $(function() {
        $("#vertical").kendoSplitter({
            orientation: "vertical",
            panes: [
                { collapsible: true, size: "60px" },
                { collapsible: false },
                { collapsible: false, resizable: false, size: "15%" }
            ]
        });

        $("#horizontal").kendoSplitter({
            panes: [
                { collapsible: true, size: "100px" },
                { collapsible: false },
                { collapsible: true, size: "20%" }
            ]
        });
    });
</script>

Manual Resizing to Calculated Heights

If the dimensions of the Splitter do not depend directly on the browser viewport size or if the Splitter has visible siblings, using a 100% height for it may not be applicable. In this case, you will need to manually set the height of the wrapper <div> and then call the resize method of the widget.

The following example demonstrates a Kendo UI Splitter with a calculated height.

<style>
    html,
    body
    {
        height:100%;
        margin:0;
        padding:0;
        overflow:hidden;
    }

    #horizontal
    {
        height:100%;
    }

    #vertical
    {
        border-width: 0;
    }

    #header,
    #footer {
        height: 50px;
        background: #fed;
    }
</style>

<div id="header">Page header</div>

<div id="vertical">
    <div>
        <p>
            Outer splitter : top pane (resizable and collapsible)
        </p>
    </div>
    <div>
        <div id="horizontal">
            <div>
                <p>
                    Inner splitter :: left pane
                </p>
            </div>
            <div>
                    Inner splitter :: center pane
            </div>
            <div>
                <p>
                    Inner splitter :: right pane
                </p>
            </div>
        </div>
    </div>
    <div>
        <p>
            Outer splitter : bottom pane (non-resizable, non-collapsible)
        </p>
    </div>
</div>

<div id="footer">Page footer</div>

<script>
    $(function() {
        $("#vertical").kendoSplitter({
            orientation: "vertical",
            panes: [
                { collapsible: true, size: "60px" },
                { collapsible: false },
                { collapsible: false, resizable: false, size: "15%" }
            ]
        });

        var outerSplitter = $("#vertical").data("kendoSplitter");
        var browserWindow = $(window);
        var headerFooterHeight = $("#header").height() + $("#footer").height();

        function resizeSplitter() {
            outerSplitter.wrapper.height(browserWindow.height() - headerFooterHeight);
            outerSplitter.resize();
        }

        resizeSplitter();
        browserWindow.resize(resizeSplitter);

        $("#horizontal").kendoSplitter({
            panes: [
                { collapsible: true, size: "100px" },
                { collapsible: false },
                { collapsible: true, size: "20%" }
            ]
        });
    });
</script>

See Also

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