/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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.apache.pivot.wtk.skin;
import org.apache.pivot.collections.Sequence;
import org.apache.pivot.wtk.Dimensions;
import org.apache.pivot.wtk.TextPane;
import org.apache.pivot.wtk.text.Element;
import org.apache.pivot.wtk.text.Node;
import org.apache.pivot.wtk.text.TextSpan;
/**
* Span node view.
*/
class TextPaneSkinSpanView extends TextPaneSkinElementView {
public TextPaneSkinSpanView(TextSpan span) {
super(span);
}
@Override
protected void attach() {
super.attach();
TextSpan span = (TextSpan)getNode();
// for now, assume that span contains at most one child, and
// that child is a TextNode
if (span.getLength() > 1) {
throw new IllegalStateException();
}
}
@Override
protected void childLayout(int breakWidth) {
if (getLength() == 0) {
setSize(0, 0);
} else {
TextPaneSkinNodeView nodeView = get(0);
nodeView.layout(breakWidth);
setSize(nodeView.getWidth(), nodeView.getHeight());
}
}
@Override
public Dimensions getPreferredSize(int breakWidth) {
if (getLength() == 0) {
return new Dimensions(0, 0);
} else {
TextPaneSkinNodeView nodeView = get(0);
Dimensions childDimensions = nodeView.getPreferredSize(breakWidth);
return childDimensions;
}
}
@Override
public int getCharacterCount() {
if (getLength() == 0) {
return 0;
} else {
return get(0).getCharacterCount();
}
}
/**
* Used by TextPaneSkinParagraphView when it breaks child nodes into multiple views.
*/
public TextPaneSkinTextNodeView getNext() {
if (getLength() == 0) {
return null;
} else {
return (TextPaneSkinTextNodeView) ((TextPaneSkinTextNodeView) get(0)).getNext();
}
}
@Override
public int getInsertionPoint(int x, int y) {
if (getLength() == 0) {
return -1;
} else {
return get(0).getInsertionPoint(x, y);
}
}
@Override
public int getNextInsertionPoint(int x, int from, TextPane.ScrollDirection direction) {
if (getLength() == 0) {
return -1;
} else {
return get(0).getNextInsertionPoint(x, from, direction);
}
}
@Override
public int getRowCount() {
if (getLength() == 0) {
return 0;
} else {
return get(0).getRowCount();
}
}
@Override
public int getRowAt(int offset) {
if (getLength() == 0) {
return 0;
} else {
return get(0).getRowAt(offset);
}
}
@Override
protected void setSkinLocation(int skinX, int skinY) {
super.setSkinLocation(skinX, skinY);
for (TextPaneSkinNodeView nodeView : this) {
nodeView.setSkinLocation(skinX, skinY + nodeView.getY());
}
}
@Override
public void nodeInserted(Element element, int index) {
super.nodeInserted(element, index);
TextSpan span = (TextSpan)getNode();
insert(getTextPaneSkin().createNodeView(span.get(index)), index);
}
@Override
public void nodesRemoved(Element element, int index, Sequence<Node> nodes) {
remove(index, nodes.getLength());
super.nodesRemoved(element, index, nodes);
}
}