![]() ![]() You can modify the TreeView appearance using CSS. You can find more information and a sample here: Select Multiple Items in TreeView Component. ![]() This allows you to select multiple items using mouse and CTRL or SHIFT keys. To enable multi selections, set the selectionMode property to either MultiSimple or MultiExtended value. How to Select Multiple Tree itemsīy default, only one item is selectable in the TreeView. This states that copy of dragged item will drop at specified position. The dragging window will change its icon showing a + sign. Copy operation is already built-in, you only need to press and hold the SHIFT key, when item is dropped. In some cases, instead of moving you may need to create a copy of dragged items. down arrow with a line - states that item will be dropped at the end of tree hierarchyīy default, during drag and drop items are moved from their original position to a new one.down arrow - states that item will be dropped below target item.arc arrow - states that item will be dropped as a child of target item.up arrow - states that item will be dropped above target item.Whenever an item is dragged, a dragging window will appear showing the target item and position at which item can be dropped. Related: Drag Drop Items Between Two TreeViews in Angular In each event, you can set up custom conditions that can prevent or allow drag drop in special cases, depending on your application requirements. TreeView component comes with advanced drag drop that allows you to reorder items in tree hierarchy by simply dragging one or multiple items from one place to another within the same or other tree views.ĭuring this process, events are fired that can help you to add custom actions that may alter the default built-in drag drop functionality. In order to create a new item manually, you can use some of public methods available that allows you to insert an item at specific position in the tree view.Ī sample that demonstrates how to add new items on demand is available here: Add Item Dynamically in TreeView Component. To populate the TreeView component with data, you can either load data on demand from local or remote data source or add new items dynamically when required. This feature is also usable when you need to load data on demand in the TreeView, from a remote data source. When you have a custom data source which may differ from internal data settings of the tree view, you can use data binding which will match the names of data fields in your data source with those used by the tree view.īy specifying the items property to point to your data object, along with dataFields property that holds an object that maps the names of fields in the data object, you can populate the TreeView using any kind of custom data source. Using this you can customize the appearance and behavior of the TreeView component. IntegralUI TreeView - Properties, Events and MethodsĪ detailed list for each property, event and method is available here: TreeView online help. The data source can be any array in flat or tree format. When you have a template ready, you need to link the data source with the TreeView using the items property. Connect the TreeView to your data sourceīecause tree hierarchy can contain items in many levels, instead of setting a tree in HTML, you can just set the template by which each item is created:.Add custom HTML elements as item content.Define the template that will be used to create tree items. ![]() Place the TreeView using the iui-treeview tag name.In order to use the TreeView component in your app, you need to do the following: How to Use IntegralUI TreeView in Angular, React and Vue The dragging window will change its icon, showing a + sign next to position marker. During drag drop operations, you can also create a copy of an item by holding the SHIFT key. A dragging window will appear, stating the target item and position at which item can be dropped. You can reorder items by click and drag over specific item. When item is hovered, a command button will appear on right side, which when clicked will delete the item. If you have any questions, don't hesitate to contact us at demonstration shows a simple tree hierarchy, each item has a checkbox, icon and a command button. TreeView component is part of IntegralUI WebĪ suite of native Web Components for Angular, React and Vue ![]()
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