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Cobra is the rendering engine designed for LoboBrowser
/*
GNU LESSER GENERAL PUBLIC LICENSE
Copyright (C) 2006 The Lobo Project
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Contact info: [email protected]
*/
/*
* Created on Jan 15, 2006
*/
package org.cobraparser.html.renderer;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Insets;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.text.JTextComponent;
import org.cobraparser.html.domimpl.ElementImpl;
import org.cobraparser.html.domimpl.HTMLBaseInputElement;
import org.cobraparser.util.gui.WrapperLayout;
class InputTextAreaControl extends BaseInputControl {
private static final long serialVersionUID = -3789900200642578384L;
private final JTextComponent widget;
public InputTextAreaControl(final HTMLBaseInputElement modelNode) {
super(modelNode);
this.setLayout(WrapperLayout.getInstance());
final JTextComponent widget = this.createTextField();
this.widget = widget;
this.add(new JScrollPane(widget));
// Note: Value attribute cannot be set in reset() method.
// Otherwise, layout revalidation causes typed values to
// be lost (including revalidation due to hover.)
final ElementImpl element = this.controlElement;
final String value = element.getTextContent();
((JTextArea) widget).setLineWrap(true);
widget.setText(value);
}
@Override
public void reset(final int availWidth, final int availHeight) {
super.reset(availWidth, availHeight);
final ElementImpl element = this.controlElement;
final String colsStr = element.getAttribute("cols");
if (colsStr != null) {
try {
this.setCols(Integer.parseInt(colsStr));
} catch (final NumberFormatException nfe) {
// ignore
}
}
final String rowsStr = element.getAttribute("rows");
if (rowsStr != null) {
try {
this.setRows(Integer.parseInt(rowsStr));
} catch (final NumberFormatException nfe) {
// ignore
}
}
}
protected JTextComponent createTextField() {
return new JTextArea();
}
/*
* (non-Javadoc)
*
* @see org.xamjwg.html.renderer.BaseInputControl#getCols()
*/
@Override
public int getCols() {
return this.cols;
}
/*
* (non-Javadoc)
*
* @see org.xamjwg.html.renderer.BaseInputControl#getRows()
*/
@Override
public int getRows() {
return this.rows;
}
private int cols = -1;
private int rows = -1;
/*
* (non-Javadoc)
*
* @see org.xamjwg.html.renderer.BaseInputControl#setCols(int)
*/
@Override
public void setCols(final int cols) {
if (cols != this.cols) {
this.cols = cols;
this.invalidate();
}
}
/*
* (non-Javadoc)
*
* @see org.xamjwg.html.renderer.BaseInputControl#setRows(int)
*/
@Override
public void setRows(final int rows) {
if (rows != this.rows) {
this.rows = rows;
this.invalidate();
}
}
@Override
public java.awt.Dimension getPreferredSize() {
int pw;
final int cols = this.cols;
if (cols == -1) {
pw = 100;
} else {
final Font f = this.widget.getFont();
final FontMetrics fm = this.widget.getFontMetrics(f);
final Insets insets = this.widget.getInsets();
pw = insets.left + insets.right + (fm.charWidth('*') * cols);
}
int ph;
final int rows = this.rows;
if (rows == -1) {
ph = 100;
} else {
final Font f = this.widget.getFont();
final FontMetrics fm = this.widget.getFontMetrics(f);
final Insets insets = this.widget.getInsets();
ph = insets.top + insets.bottom + (fm.getHeight() * rows);
}
return new java.awt.Dimension(pw, ph);
}
/*
* (non-Javadoc)
*
* @see org.xamjwg.html.renderer.BaseInputControl#getReadOnly()
*/
@Override
public boolean getReadOnly() {
return !this.widget.isEditable();
}
/*
* (non-Javadoc)
*
* @see org.xamjwg.html.renderer.BaseInputControl#getValue()
*/
@Override
public String getValue() {
final String text = this.widget.getText();
return org.cobraparser.util.Strings.getCRLFString(text);
}
/*
* (non-Javadoc)
*
* @see org.xamjwg.html.renderer.BaseInputControl#setReadOnly(boolean)
*/
@Override
public void setReadOnly(final boolean readOnly) {
this.widget.setEditable(readOnly);
}
/*
* (non-Javadoc)
*
* @see org.xamjwg.html.renderer.BaseInputControl#setValue(java.lang.String)
*/
@Override
public void setValue(final String value) {
this.widget.setText(value);
}
public void resetInput() {
this.widget.setText("");
}
}