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/*
* Copyright 2000-2016 Vaadin Ltd.
*
* 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 com.vaadin.ui;
import org.jsoup.nodes.Element;
import com.vaadin.shared.ui.textarea.TextAreaServerRpc;
import com.vaadin.shared.ui.textarea.TextAreaState;
import com.vaadin.ui.declarative.DesignContext;
import com.vaadin.ui.declarative.DesignFormatter;
/**
* A text field that supports multi line editing.
*/
public class TextArea extends AbstractTextField {
/**
* Constructs an empty TextArea.
*/
public TextArea() {
registerRpc(new TextAreaServerRpc() {
@Override
public void setHeight(String height) {
TextArea.this.setHeight(height);
}
@Override
public void setWidth(String width) {
TextArea.this.setWidth(width);
}
});
clear();
}
/**
* Constructs an empty TextArea with given caption.
*
* @param caption
* the caption for the field.
*/
public TextArea(String caption) {
this();
setCaption(caption);
}
/**
* Constructs a TextArea with given caption and value.
*
* @param caption
* the caption for the field
* @param value
* the value for the field
*/
public TextArea(String caption, String value) {
this(caption);
setValue(value);
}
@Override
protected TextAreaState getState() {
return (TextAreaState) super.getState();
}
@Override
protected TextAreaState getState(boolean markAsDirty) {
return (TextAreaState) super.getState(markAsDirty);
}
/**
* Sets the number of rows in the text area.
*
* @param rows
* the number of rows for this text area.
*/
public void setRows(int rows) {
if (rows < 0) {
rows = 0;
}
getState().rows = rows;
}
/**
* Gets the number of rows in the text area.
*
* @return number of explicitly set rows.
*/
public int getRows() {
return getState(false).rows;
}
/**
* Sets the text area's word-wrap mode on or off.
*
* @param wordWrap
* <code>true</code> to use word-wrap mode <code>false</code>
* otherwise.
*/
public void setWordWrap(boolean wordWrap) {
getState().wordWrap = wordWrap;
}
/**
* Tests if the text area is in word-wrap mode.
*
* @return <code>true</code> if the component is in word-wrap mode,
* <code>false</code> if not.
*/
public boolean isWordWrap() {
return getState(false).wordWrap;
}
@Override
public void readDesign(Element design, DesignContext designContext) {
super.readDesign(design, designContext);
doSetValue(DesignFormatter.decodeFromTextNode(design.html()));
}
@Override
public void writeDesign(Element design, DesignContext designContext) {
super.writeDesign(design, designContext);
design.html(DesignFormatter.encodeForTextNode(getValue()));
}
}
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