# # @draggable

The `@draggable` directive implements a common drag-and-drop function which is commonly used in dialog components.

## # Examples

### # Draggable dialog

    <html>
        <template id="layout-template">
            <webpdf>
                <div class="fv__ui-body">
                    <viewer></viewer>
                </div>
                <template>
                    <layer name="my-layer2" class="center my-layer" @draggable visible>
                        <layer-header title="Click anywhere on the box to drag" icon-class="fv__icon-toolbar-print"></layer-header>
                    </layer>
                </template>
            </webpdf>
        </template>
    </html>
    <style>
        .my-layer {
            width: 400px;
            height: 300px;
        }
        .flex-container {
            display: flex;
            justify-content: space-between;
        }
    </style>
    <script>
        var CustomAppearance = UIExtension.appearances.Appearance.extend({
            getLayoutTemplate: function() {
                return document.getElementById('layout-template').innerHTML;
            },
            disableAll: function(){}
        });
        var libPath = window.top.location.origin + '/lib';
        var pdfui = new UIExtension.PDFUI({
                viewerOptions: {
                    libPath: libPath,
                    jr: {
                        licenseSN: licenseSN,
                        licenseKey: licenseKey
                    }
                },
                renderTo: document.body,
                appearance: CustomAppearance,
                addons: []
        });
    </script>

    {
        "iframeOptions": {
            "style": "height: 500px"
        }
    }

### # Draggable dialog header

    <html>
        <template id="layout-template">
            <webpdf>
                <div class="fv__ui-body">
                    <viewer></viewer>
                </div>
                <template>
                    <layer name="my-layer1" class="center my-layer" visible>
                        <layer-header @draggable="{type:'parent'}" title="Click header area to drag" icon-class="fv__icon-toolbar-print"></layer-header>
                    </layer>
                </template>
            </webpdf>
        </template>
    </html>
    <style>
        .my-layer {
            width: 400px;
            height: 300px;
        }
        .flex-container {
            display: flex;
            justify-content: space-between;
        }
    </style>
    <script>
        var CustomAppearance = UIExtension.appearances.Appearance.extend({
            getLayoutTemplate: function() {
                return document.getElementById('layout-template').innerHTML;
            },
            disableAll: function(){}
        });
        var libPath = window.top.location.origin + '/lib';
        var pdfui = new UIExtension.PDFUI({
                viewerOptions: {
                    libPath: libPath,
                    jr: {
                        licenseSN: licenseSN,
                        licenseKey: licenseKey
                    }
                },
                renderTo: document.body,
                appearance: CustomAppearance,
                addons: []
        });
    </script>

    {
        "iframeOptions": {
            "style": "height: 500px"
        }
    }

### # Non-draggable area

Sometimes, a draggable dialog box may contain components that have their own drag function(e.g., slider). At this point, if the drag function does not stop dragging events from propagating to the outer layer, the overall interaction will be affected. To solve this problem, you can mark the component with `@stop-drag` to prevent the inner component drag function. Here is the code example:

    <html>
        <template id="layout-template">
            <webpdf>
                <div class="fv__ui-body">
                    <viewer></viewer>
                </div>
                <template>
                    <layer name="my-layer1" class="center my-layer" @draggable visible>
                        <layer-header title="Drag everywhere" icon-class="fv__icon-toolbar-print"></layer-header>
                        <div>
                            <label>
                                without @stop-drag:
                                <input type="range" min="0" max="100" step="0.1">
                            </label>
                            <label>
                               marked with @stop-drag:
                                <input @stop-drag type="range" min="0" max="100" step="0.1">
                            </label>
                        </div>
                    </layer>
                </template>
            </webpdf>
        </template>
    </html>
    <style>
        .my-layer {
            width: 400px;
            height: 300px;
        }
        .flex-container {
            display: flex;
            justify-content: space-between;
        }
    </style>
    <script>
        var CustomAppearance = UIExtension.appearances.Appearance.extend({
            getLayoutTemplate: function() {
                return document.getElementById('layout-template').innerHTML;
            },
            disableAll: function(){}
        });
        var libPath = window.top.location.origin + '/lib';
        var pdfui = new UIExtension.PDFUI({
                viewerOptions: {
                    libPath: libPath,
                    jr: {
                        licenseSN: licenseSN,
                        licenseKey: licenseKey
                    }
                },
                renderTo: document.body,
                appearance: CustomAppearance,
                addons: []
        });
    </script>

    {
        "iframeOptions": {
            "style": "height: 500px"
        }
    }