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luna-blue
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nova-dark
nova-light
saga-blue
vela-blue
Kanban
Demonstrates the bindContextMenu attribute and itemRightClick event. Right-click on any task item to open a PrimeFaces context menu with options to edit, view history, or delete. The itemAdd button on each column allows adding new tasks dynamically.
Delete Task
Are you sure you want to delete this task?
Source

<pe:kanban id="kanban"
                widgetVar="kanbanWidget"
                value="#{kanbanRightClickController.columns}"
                draggable="true"
                addItemButton="true"
                style="height:420px"
                bindContextMenu="contextMenu">
        <p:ajax event="itemRightClick" listener="#{kanbanRightClickController.onItemRightClick}" />
        <p:ajax event="itemAdd" listener="#{kanbanRightClickController.onItemAdd}" update="kanban growl" />
    </pe:kanban>

    <p:contextMenu id="contextMenu" widgetVar="contextMenu" targetFilter=".kanban-item">
        <p:menuitem value="Edit Task"
                    icon="pi pi-pencil"
                    update="dialogContent"
                    oncomplete="PF('taskDialog').show()" />
        <p:divider />
        <p:menuitem value="View History"
                    icon="pi pi-clock"
                    update="historyContent"
                    oncomplete="PF('historyDialog').show()" />
        <p:menuitem value="Delete Task"
                    icon="pi pi-trash"
                    styleClass="text-red-600"
                    onclick="PF('confirmDelete').show()" />
    </p:contextMenu>

    <p:confirmDialog id="confirmDeleteDialog" widgetVar="confirmDelete"
                     showEffect="fade" hideEffect="fade"
                     message="Are you sure you want to delete this task?"
                     header="Delete Task" icon="pi pi-exclamation-triangle"
                     closeOnEscape="true" width="400">
        <p:commandButton value="Delete"
                         styleClass="ui-button-danger mr-2"
                         actionListener="#{kanbanRightClickController.deleteSelectedItem}"
                         process="@this"
                         update="@(.ui-kanban) growl"
                         oncomplete="PF('confirmDelete').hide()"
                         icon="pi pi-check" />
        <p:commandButton value="Cancel"
                         onclick="PF('confirmDelete').hide()"
                         type="button"
                         styleClass="ui-button-secondary"
                         icon="pi pi-times" />
    </p:confirmDialog>

    <p:dialog header="Task Details" widgetVar="taskDialog"
              modal="true" responsive="true" width="400"
              showEffect="fade" hideEffect="fade"
              closeOnEscape="true">
        <h:panelGroup id="dialogContent" layout="block" styleClass="ui-fluid">
            <h:panelGroup rendered="#{not empty kanbanRightClickController.selectedItem}">
                <div class="field mb-3">
                    <p:outputLabel for="title" value="Title" styleClass="font-bold block mb-1" />
                    <p:inputText id="title" value="#{kanbanRightClickController.selectedItem.title}" readonly="true" />
                </div>
                <div class="field mb-3">
                    <p:outputLabel for="desc" value="Description" styleClass="font-bold block mb-1" />
                    <p:inputTextarea id="desc" value="#{kanbanRightClickController.selectedItem.description}" rows="3" readonly="true" />
                </div>
            </h:panelGroup>
            <h:panelGroup rendered="#{empty kanbanRightClickController.selectedItem}">
                <p>Right-click on a task and select "Edit Task" to see its details here.</p>
            </h:panelGroup>
        </h:panelGroup>
    </p:dialog>

    <p:dialog header="Task History" widgetVar="historyDialog"
              modal="true" responsive="true" width="400"
              showEffect="fade" hideEffect="fade"
              closeOnEscape="true">
        <h:panelGroup id="historyContent" layout="block" styleClass="ui-fluid">
            <h:panelGroup rendered="#{not empty kanbanRightClickController.selectedItem}">
                <p>Activity history for <strong>#{kanbanRightClickController.selectedItem.title}</strong>:</p>
                <ul>
                    <li>Created - Jan 15, 2026</li>
                    <li>Moved to #{kanbanRightClickController.selectedColumnId} - Jan 20, 2026</li>
                    <li>Milestone updated - Feb 01, 2026</li>
                </ul>
            </h:panelGroup>
            <h:panelGroup rendered="#{empty kanbanRightClickController.selectedItem}">
                <p>Right-click on a task and select "View History" to see its activity timeline.</p>
            </h:panelGroup>
        </h:panelGroup>
    </p:dialog>
            
Components and more
Documentation pe:kanban
Attributes (move mouse over the names to see data types)
Name Description
id Unique identifier of the component in a namingContainer.
rendered Boolean value to specify the rendering of the component, when Set false component will not be rendered.
binding An EL expression referring to a server side UIComponent instance in a backing bean.
widgetVar Name of the client side widget.
value List of KanbanColumn objects representing the kanban board columns and items.
style Inline CSS style of the component.
styleClass Style class of the component.
draggable Enable drag-and-drop functionality. Default is true.
addItemButton Enable add item button on each board. Default is false.
extender JavaScript function to extend the widget configuration.
gutter Gutter (spacing) between boards in CSS units, e.g. "15px". Default is 15px.
widthBoard Default width of each board in CSS units, e.g. "250px". Default is 250px.
responsivePercentage If true, boards use percentage-based widths instead of fixed pixel widths. Default is false.
dragBoards Enable dragging of entire boards (columns) to reorder them. Default is true.
bindContextMenu Client-side id of a PrimeFaces contextMenu component to bind to right-click events.
dragHandle Enable drag handle on items. When enabled, only the handle area is draggable, preventing accidental drags on the card body. Default is false.
Events (move mouse over the names to see classes)
Name Description
dropfires when a Kanban item is dropped onto a column
itemAddfires when the add item button is clicked
dragBoardfires when a Kanban board starts being dragged
dragendBoardfires when a Kanban board drag ends
PrimeFaces Extensions Showcase - © 2011-2025,PrimeFaces: 15.0.15,PrimeFaces Extensions: 15.0.16-SNAPSHOT,JSF: Apache MyFaces JSF-2.3 Core Impl 2.3.10,Server: Apache Tomcat (TomEE)/9.0.82 (8.0.16),Build time: 2026-06-01 17:50