/**
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.waveprotocol.wave.client.editor.content;
import com.google.gwt.dom.client.Node;
import org.waveprotocol.wave.client.common.util.DomHelper;
import org.waveprotocol.wave.model.document.util.Point;
import org.waveprotocol.wave.model.document.util.PointRange;
/**
* A single node + offset point in HTML
*
* TODO(danilatos): Convert to node-node style for element containers (a la Point and ContentPoint)
*
*/
public class HtmlPoint {
/**
* The node enclosing the point
*/
private Node node;
/**
* The offset into the node
*/
private int offset;
/**
* @param node
* @param offset
*/
public HtmlPoint(Node node, int offset) {
super();
assert offset >= 0;
this.node = node;
this.offset = offset;
}
/**
* @return node
*/
public Node getNode() {
return node;
}
/**
* @param node
*/
public void setNode(Node node) {
this.node = node;
}
/**
* @return offset
*/
public int getOffset() {
return offset;
}
/**
* @param offset
*/
public void setOffset(int offset) {
assert offset >= 0;
this.offset = offset;
}
/**
* Convert the HtmlPoint to Point.
*/
public Point<Node> toPoint() {
assert offset >= 0 && offset < node.getChildCount();
return DomHelper.nodeOffsetToNodeletPoint(node, offset);
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
return HTMLPretty.printSingleLine(node, new PointRange<Node>(toPoint()));
}
}