ToolTipLCA.java example

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rap-master
/*******************************************************************************
 * Copyright (c) 2011, 2015 Rüdiger Herrmann and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Rüdiger Herrmann - initial API and implementation
 *    EclipseSource - ongoing development
 ******************************************************************************/
package org.eclipse.swt.internal.widgets.tooltipkit;

import static org.eclipse.rap.rwt.internal.protocol.JsonUtil.createJsonArray;
import static org.eclipse.rap.rwt.internal.protocol.RemoteObjectFactory.createRemoteObject;
import static org.eclipse.rap.rwt.internal.lifecycle.WidgetLCAUtil.getStyles;
import static org.eclipse.rap.rwt.internal.lifecycle.WidgetLCAUtil.preserveProperty;
import static org.eclipse.rap.rwt.internal.lifecycle.WidgetLCAUtil.renderListenSelection;
import static org.eclipse.rap.rwt.internal.lifecycle.WidgetLCAUtil.renderProperty;
import static org.eclipse.rap.rwt.internal.lifecycle.WidgetUtil.getId;
import static org.eclipse.swt.internal.widgets.MarkupUtil.isMarkupEnabledFor;

import java.io.IOException;

import org.eclipse.rap.rwt.internal.lifecycle.WidgetLCA;
import org.eclipse.rap.rwt.internal.lifecycle.WidgetLCAUtil;
import org.eclipse.rap.rwt.remote.RemoteObject;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.internal.widgets.IToolTipAdapter;
import org.eclipse.swt.widgets.ToolTip;


public final class ToolTipLCA extends WidgetLCA<ToolTip> {

  public static final ToolTipLCA INSTANCE = new ToolTipLCA();

  private static final String TYPE = "rwt.widgets.ToolTip";
  private static final String[] ALLOWED_STYLES = {
    "BALLOON", "ICON_ERROR", "ICON_INFORMATION", "ICON_WARNING"
  };

  private static final String PROP_AUTO_HIDE = "autoHide";
  private static final String PROP_TEXT = "text";
  private static final String PROP_MESSAGE = "message";
  private static final String PROP_LOCATION = "location";
  private static final String PROP_VISIBLE = "visible";
  private static final String PROP_MARKUP_ENABLED = "markupEnabled";

  private static final Point DEFAULT_LOCATION = new Point( 0, 0 );

  @Override
  public void preserveValues( ToolTip toolTip ) {
    WidgetLCAUtil.preserveRoundedBorder( toolTip );
    WidgetLCAUtil.preserveBackgroundGradient( toolTip );
    preserveProperty( toolTip, PROP_AUTO_HIDE, toolTip.getAutoHide() );
    preserveProperty( toolTip, PROP_TEXT, toolTip.getText() );
    preserveProperty( toolTip, PROP_MESSAGE, toolTip.getMessage() );
    preserveProperty( toolTip, PROP_LOCATION, getLocation( toolTip ) );
    preserveProperty( toolTip, PROP_VISIBLE, toolTip.isVisible() );
  }

  @Override
  public void renderInitialization( ToolTip toolTip ) throws IOException {
    RemoteObject remoteObject = createRemoteObject( toolTip, TYPE );
    remoteObject.setHandler( new ToolTipOperationHandler( toolTip ) );
    remoteObject.set( "parent", getId( toolTip.getParent() ) );
    remoteObject.set( "style", createJsonArray( getStyles( toolTip, ALLOWED_STYLES ) ) );
    renderProperty( toolTip, PROP_MARKUP_ENABLED, isMarkupEnabledFor( toolTip ), false );
  }

  @Override
  public void renderChanges( ToolTip toolTip ) throws IOException {
    WidgetLCAUtil.renderCustomVariant( toolTip );
    WidgetLCAUtil.renderRoundedBorder( toolTip );
    WidgetLCAUtil.renderBackgroundGradient( toolTip );
    renderProperty( toolTip, PROP_AUTO_HIDE, toolTip.getAutoHide(), false );
    renderProperty( toolTip, PROP_TEXT, toolTip.getText(), "" );
    renderProperty( toolTip, PROP_MESSAGE, toolTip.getMessage(), "" );
    renderProperty( toolTip, PROP_LOCATION, getLocation( toolTip ), DEFAULT_LOCATION );
    renderProperty( toolTip, PROP_VISIBLE, toolTip.isVisible(), false );
    renderListenSelection( toolTip );
  }

  private static Point getLocation( ToolTip toolTip ) {
    return toolTip.getAdapter( IToolTipAdapter.class ).getLocation();
  }

  private ToolTipLCA() {
    // prevent instantiation
  }

}