Package com.smartgwt.client.widgets.events

Interface HasDragStartHandlers

All Superinterfaces:
HasHandlers
All Known Implementing Classes:
AceEditor, ActiveXControl, AdaptiveMenu, AdvancedHiliteEditor, AISortProgressDialog, AIWindow, BatchUploader, BatchUploader, BatchUploader, BrowserPlugin, BuildUIViaAIProgressDialog, BuildViaAIProgressDialog, Button, Calendar, CalendarView, Canvas, ColorPicker, ColumnTree, CSSEditor, CubeGrid, DataView, DateChooser, DateGrid, DateRangeDialog, Deck, DetailViewer, Dialog, DrawKnob, DrawPane, DynamicForm, EdgedCanvas, EditPane, EditSearchWindow, EditTree, EventCanvas, FacetChart, FieldPicker, FieldPickerWindow, FilterBuilder, FilterClause, FilterViaAIProgressDialog, Flashlet, FlowLayout, Gauge, GradientEditor, GridRenderer, HeaderControl, HiliteEditor, HiliteRule, HiliteViaAIProgressDialog, HLayout, HStack, HTMLFlow, HTMLPane, IButton, IconButton, IconMenuButton, IMenuButton, Img, ImgButton, ImgSectionHeader, ImgSplitbar, ImgTab, IndicatorCanvas, Label, Layout, LayoutSpacer, ListGrid, ListPalette, ListPropertiesDialog, ListPropertiesPane, Menu, MenuBar, MenuButton, MenuPalette, MiniNavControl, MultiFilePicker, MultiGroupDialog, MultiGroupPanel, MultiSortDialog, MultiSortPanel, NavigationBar, NavigationButton, NavPanel, PickListMenu, PortalLayout, Portlet, PrintCanvas, PrintWindow, Progressbar, PropertySheet, RangeSlider, RecordEditor, Reify, RibbonBar, RibbonButton, RibbonGroup, RibbonMenuButton, RichTextEditor, RowRangeDisplay, SavedSearchEditor, ScreenLoader, Scrollbar, SearchForm, SectionHeader, SectionStack, SelectionTreeMenu, SeleneseRecorder, Shuttle, SimpleTile, Slider, Snapbar, Splitbar, SplitPane, StatefulCanvas, StretchImg, StretchImgButton, SVG, TabBar, TableView, TabSet, TileGrid, TileLayout, TilePalette, Timeline, ToggleSwitch, Toolbar, ToolStrip, ToolStripButton, ToolStripGroup, ToolStripMenuButton, ToolStripResizer, ToolStripSeparator, ToolStripSpacer, TourWindow, TransferImgButton, TreeGrid, TreeMenuButton, TreePalette, ViewLoader, VLayout, VStack, WidgetCanvas, Window, ZoneCanvas
public interface HasDragStartHandlers extends HasHandlers

  • Method Details

    • addDragStartHandler

      HandlerRegistration addDragStartHandler(DragStartHandler handler)
      Executed when dragging first starts. Your widget can use this opportunity to set things up for the drag, such as setting the drag tracker. Returning false from this event handler will cancel the drag action entirely.

      A drag action is considered to be begin when the mouse has moved dragStartDistance with the left mouse down.

      Parameters:
      handler - the dragStart handler
      Returns:
      HandlerRegistration used to remove this handler