Example usage for com.google.gwt.view.client CellPreviewEvent getNativeEvent

Introduction

In this page you can find the example usage for com.google.gwt.view.client CellPreviewEvent getNativeEvent.

Prototype

public NativeEvent getNativeEvent()

Source Link

Document

Get the NativeEvent to preview.

Usage

From source file:org.rstudio.core.client.widget.ModifyKeyboardShortcutsWidget.java

License:Open Source License

private void onNameCellPreview(CellPreviewEvent<KeyboardShortcutEntry> preview) {
    NativeEvent event = preview.getNativeEvent();
    String type = event.getType();
    if (type.equals("blur")) {
        buffer_.clear();// w  ww.  j  a  v  a2  s.co m
    } else if (type.equals("keydown")) {
        int keyCode = event.getKeyCode();
        int modifiers = KeyboardShortcut.getModifierValue(event);
        if (keyCode == KeyCodes.KEY_ESCAPE && modifiers == 0) {
            event.stopPropagation();
            event.preventDefault();
            filterWidget_.focus();
        } else if (keyCode == KeyCodes.KEY_ENTER && modifiers == 0) {
            event.stopPropagation();
            event.preventDefault();
            table_.setKeyboardSelectedColumn(1);
        }
    }
}

From source file:org.rstudio.core.client.widget.ModifyKeyboardShortcutsWidget.java

License:Open Source License

private void onShortcutCellPreview(CellPreviewEvent<KeyboardShortcutEntry> preview) {
    NativeEvent event = preview.getNativeEvent();
    String type = event.getType();

    if (type.equals("keydown")) {
        int keyCode = event.getKeyCode();
        int modifiers = KeyboardShortcut.getModifierValue(event);

        // Don't handle raw 'Enter' keypresses (let underlying input
        // widget process)
        if (keyCode == KeyCodes.KEY_ENTER && modifiers == 0)
            return;

        // Handle any other key events.
        if (modifiers != 0)
            swallowNextKeyUpEvent_ = true;

        event.stopPropagation();/*from ww w. ja  va2s .c om*/
        event.preventDefault();

        if (KeyboardHelper.isModifierKey(event.getKeyCode()))
            return;

        if (keyCode == KeyCodes.KEY_BACKSPACE && modifiers == 0) {
            buffer_.pop();
        } else if (keyCode == KeyCodes.KEY_DELETE && modifiers == 0) {
            buffer_.clear();
        } else if (keyCode == KeyCodes.KEY_ESCAPE && modifiers == 0) {
            buffer_.set(preview.getValue().getOriginalKeySequence());
        } else {
            buffer_.add(event);
        }

        // Sneak into the element and find the active <input>, then update it.
        Element el = getElement(table_, preview.getIndex(), preview.getColumn());
        Element input = el.getFirstChildElement().getFirstChildElement();
        if (input == null)
            return;

        assert input.getTagName().toLowerCase().equals("input") : "Failed to find <input> element in table";

        String bufferString = buffer_.toString();
        input.setAttribute("value", bufferString);
        input.setInnerHTML(bufferString);

        // Move the cursor to the end of the selection.
        DomUtils.setSelectionRange(input, bufferString.length(), bufferString.length());
    }
}

From source file:us.softoption.proofs.TProofDisplayCellTable.java

License:Open Source License

/************** Selection and Clicks or Touches ************************/

void addSelectionModel() {

    this.sinkEvents(Event.ONCLICK);

    //but we want click to toggle selection not require command click for multiple
    this.addCellPreviewHandler(new CellPreviewEvent.Handler<TProofline>() {
        public void onCellPreview(CellPreviewEvent<TProofline> event) {
            String type = event.getNativeEvent().getType();
            if (type.equals("click")) {

                TProofline value = event.getValue();

                handleClick(value);/*from  ww  w.  jav a  2  s  . c  o  m*/

                event.setCanceled(true);

                //    Window.alert("CLICKED " + value.fLineno);  DEBUG
            }
        }
    });

    this.setSelectionModel(fSelectionModel, DefaultSelectionEventManager.<TProofline>createCheckboxManager());

    /*
    final Handler<TProofline> selectionEventManager = DefaultSelectionEventManager.createCheckboxManager();
    this.setSelectionModel(fSelectionModel,selectionEventManager);  Jan 2013 */

    /*Google sample code 
     * 
     *  // Add a selection model so we can select cells.
        final SelectionModel<ContactInfo> selectionModel = new MultiSelectionModel<ContactInfo>(
            ContactDatabase.ContactInfo.KEY_PROVIDER);
        cellTable.setSelectionModel(selectionModel,
            DefaultSelectionEventManager.<ContactInfo> createCheckboxManager());
     */

    // We want multiple selection
    // final MultiSelectionModel<TProofline> selectionModel = new MultiSelectionModel<TProofline>();
    /*  this.setSelectionModel(fSelectionModel);
      fSelectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
        public void onSelectionChange(SelectionChangeEvent event) {
           Set <TProofline> selected = fSelectionModel.getSelectedSet();
          if (selected != null) {
            Window.alert("You selected: " + selected.size());
          }
        }
      });   
              
    */

    /*   this.addCellPreviewHandler(new CellPreviewEvent.Handler<TProofline>() {
           public void onCellPreview(CellPreviewEvent<TProofline> event) {
    String type = event.getNativeEvent().getType();
    if (type.equals("click")) {
               
               
       TProofline value=event.getValue();
               
        final Boolean state = !event.getDisplay().getSelectionModel().isSelected(value);
        event.getDisplay().getSelectionModel().setSelected(value, state);
        event.setCanceled(true);
               
               
               
        Window.alert("CLICKED");
    }
           }
       });
               
       */

    /*
            
            
    this.addCellPreviewHandler(new Handler<T>() {
            
        @Override
        public void onCellPreview(final CellPreviewEvent<T> event) {
            
    if (BrowserEvents.CLICK.equals(event.getNativeEvent().getType())) {
            
        final T value = event.getValue();
        final Boolean state = !event.getDisplay().getSelectionModel().isSelected(value);
        event.getDisplay().getSelectionModel().setSelected(value, state);
        event.setCanceled(true);
    }
        }
    }); 
            
            
    */

}