Java Label.addMouseDownHandler方法代码示例

import com.google.gwt.user.client.ui.Label; //导入方法依赖的package包/类
/**
 * Create a leaf node for the Tree
 *
 * @param name   name of the TreeItem
 * @param module Attached moduleId for the TreeItem
 */
public Leaf(String name,
		T module,
		String style) {
	// add context menu
	this.menu = new ContextMenu();
	label = new Label(name);
	this.setWidget(label);

	label.addMouseDownHandler(new MouseDownHandler() {
		@Override
		public void onMouseDown(MouseDownEvent event) {
			// display the context menu when right click
			if (event.getNativeButton() == NativeEvent.BUTTON_RIGHT) {
				menu.setPopupPosition(event.getClientX(), event.getClientY());
				menu.show();
			}
		}
	});

	// set moduleId
	this.module = module;
	this.addStyleName("bda-treeleaf");
	if (!style.equals(""))
		this.addStyleName(style);
}
 

import com.google.gwt.user.client.ui.Label; //导入方法依赖的package包/类
public SimpleDayCell(VCalendar calendar, int row, int cell) {
    this.calendar = calendar;
    this.row = row;
    this.cell = cell;
    setStylePrimaryName("v-calendar-month-day");
    caption = new Label();
    caption.setStyleName("v-calendar-day-number");
    caption.addMouseDownHandler(this);
    caption.addMouseUpHandler(this);
    add(caption);

    bottomspacer = new HTML();
    bottomspacer.setStyleName("v-calendar-bottom-spacer-empty");
    bottomspacer.setWidth(3 + "em");
    add(bottomspacer);
}
 

import com.google.gwt.user.client.ui.Label; //导入方法依赖的package包/类
/**
 * Adds the header row to the table.
 *
 */
private void setHeaderRow() {
  table.getRowFormatter().setStyleName(0, "ode-ProjectHeaderRow");

  HorizontalPanel nameHeader = new HorizontalPanel();
  final Label nameHeaderLabel = new Label(MESSAGES.projectNameHeader());
  nameHeaderLabel.addStyleName("ode-ProjectHeaderLabel");
  nameHeader.add(nameHeaderLabel);
  nameSortIndicator.addStyleName("ode-ProjectHeaderLabel");
  nameHeader.add(nameSortIndicator);
  table.setWidget(0, 1, nameHeader);

  HorizontalPanel dateCreatedHeader = new HorizontalPanel();
  final Label dateCreatedHeaderLabel = new Label(MESSAGES.projectDateCreatedHeader());
  dateCreatedHeaderLabel.addStyleName("ode-ProjectHeaderLabel");
  dateCreatedHeader.add(dateCreatedHeaderLabel);
  dateCreatedSortIndicator.addStyleName("ode-ProjectHeaderLabel");
  dateCreatedHeader.add(dateCreatedSortIndicator);
  table.setWidget(0, 2, dateCreatedHeader);

  HorizontalPanel dateModifiedHeader = new HorizontalPanel();
  final Label dateModifiedHeaderLabel = new Label(MESSAGES.projectDateModifiedHeader());
  dateModifiedHeaderLabel.addStyleName("ode-ProjectHeaderLabel");
  dateModifiedHeader.add(dateModifiedHeaderLabel);
  dateModifiedSortIndicator.addStyleName("ode-ProjectHeaderLabel");
  dateModifiedHeader.add(dateModifiedSortIndicator);
  table.setWidget(0, 3, dateModifiedHeader);

  HorizontalPanel publishedHeader = new HorizontalPanel();
  final Label publishedHeaderLabel = new Label(MESSAGES.projectPublishedHeader());
  publishedHeaderLabel.addStyleName("ode-ProjectHeaderLabel");
  publishedHeader.add(publishedHeaderLabel);
  publishedSortIndicator.addStyleName("ode-ProjectHeaderLabel");
  publishedHeader.add(publishedSortIndicator);
  table.setWidget(0, 4, publishedHeader);

  MouseDownHandler mouseDownHandler = new MouseDownHandler() {
    @Override
    public void onMouseDown(MouseDownEvent e) {
      SortField clickedSortField;
      if (e.getSource() == nameHeaderLabel || e.getSource() == nameSortIndicator) {
        clickedSortField = SortField.NAME;
      } else if (e.getSource() == dateCreatedHeaderLabel || e.getSource() == dateCreatedSortIndicator) {
        clickedSortField = SortField.DATE_CREATED;
      } else if (e.getSource() == dateModifiedHeaderLabel || e.getSource() == dateModifiedSortIndicator){
        clickedSortField = SortField.DATE_MODIFIED;
      }else{
        clickedSortField = SortField.PUBLISHED;
      }
      changeSortOrder(clickedSortField);
    }
  };
  nameHeaderLabel.addMouseDownHandler(mouseDownHandler);
  nameSortIndicator.addMouseDownHandler(mouseDownHandler);
  dateCreatedHeaderLabel.addMouseDownHandler(mouseDownHandler);
  dateCreatedSortIndicator.addMouseDownHandler(mouseDownHandler);
  dateModifiedHeaderLabel.addMouseDownHandler(mouseDownHandler);
  dateModifiedSortIndicator.addMouseDownHandler(mouseDownHandler);
  publishedHeaderLabel.addMouseDownHandler(mouseDownHandler);
  publishedSortIndicator.addMouseDownHandler(mouseDownHandler);
}
 

import com.google.gwt.user.client.ui.Label; //导入方法依赖的package包/类
/**
 * Adds the header row to the table.
 *
 */
private void setHeaderRow() {

  if (galleryEnabledHolder.enabled) {
    table.resizeColumns(5); // Number of columns varies based on whether or not
                            // the Gallery is enabled
  } else {
    table.resizeColumns(4);
  }

  table.getRowFormatter().setStyleName(0, "ode-ProjectHeaderRow");

  HorizontalPanel emailHeader = new HorizontalPanel();
  final Label emailHeaderLabel = new Label("User Email");
  int column = 0;
  emailHeaderLabel.addStyleName("ode-ProjectHeaderLabel");
  emailHeader.add(emailHeaderLabel);
  emailHeader.add(nameSortIndicator);
  table.setWidget(0, column, emailHeader);
  column += 1;

  HorizontalPanel uidHeader = new HorizontalPanel();
  final Label uidHeaderLabel = new Label("UID");
  uidHeaderLabel.addStyleName("ode-ProjectHeaderLabel");
  uidHeader.add(uidHeaderLabel);
  table.setWidget(0, column++, uidHeader);

  HorizontalPanel adminHeader = new HorizontalPanel();
  final Label adminHeaderLabel = new Label("isAdmin?");
  adminHeaderLabel.addStyleName("ode-ProjectHeaderLabel");
  adminHeader.add(adminHeaderLabel);
  table.setWidget(0, column++, adminHeader);

  if (galleryEnabledHolder.enabled) {
    HorizontalPanel moderatorHeader = new HorizontalPanel();
    final Label moderatorHeaderLabel = new Label("isModerator?");
    moderatorHeaderLabel.addStyleName("ode-ProjectHeaderLabel");
    moderatorHeader.add(moderatorHeaderLabel);
    table.setWidget(0, column++, moderatorHeader);
  }

  HorizontalPanel visitedHeader = new HorizontalPanel();
  final Label visitedLabel = new Label("Visited");
  visitedLabel.addStyleName("ode-ProjectHeaderLabel");
  visitedHeader.add(visitedLabel);
  visitedHeader.add(visitedSortIndicator);
  table.setWidget(0, column++, visitedHeader);

  MouseDownHandler mouseDownHandler = new MouseDownHandler() {
    @Override
    public void onMouseDown(MouseDownEvent e) {
      SortField clickedSortField;
      if (e.getSource() == emailHeaderLabel || e.getSource() == nameSortIndicator) {
        clickedSortField = SortField.NAME;
      } else if (e.getSource() == visitedLabel || e.getSource() == visitedSortIndicator) {
        clickedSortField = SortField.VISITED;
      } else {
        return;
      }
      changeSortOrder(clickedSortField);
    }
  };
  emailHeaderLabel.addMouseDownHandler(mouseDownHandler);
  nameSortIndicator.addMouseDownHandler(mouseDownHandler);
  visitedLabel.addMouseDownHandler(mouseDownHandler);
  visitedSortIndicator.addMouseDownHandler(mouseDownHandler);
}