/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.css2.widget;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.FigureUtilities;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.jst.pagedesigner.css2.ICSSStyle;
import org.eclipse.jst.pagedesigner.css2.font.ICSSFont;
import org.eclipse.jst.pagedesigner.css2.layout.TextLayoutSupport;
import org.eclipse.jst.pagedesigner.css2.property.ICSSPropertyID;
import org.eclipse.jst.pagedesigner.css2.provider.DimensionInfo;
import org.eclipse.jst.pagedesigner.css2.style.DefaultStyle;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
/**
* @author mengbo
* @version 1.5
*/
public class TextInputWidgetProvider extends AbstractWidgetProvider {
private static final int VERTICAL_INCREMENT = 2;
/**
* password size
*/
public static final int PWD_SIZE = 18;
private int DEFAULTSIZE = 20;
private int _size = DEFAULTSIZE;
private String _value;
/**
* @param style
*/
public TextInputWidgetProvider(ICSSStyle style) {
this(style, 20);
}
/**
* @param style
* @param size
*/
public TextInputWidgetProvider(ICSSStyle style, int size) {
super(style);
DEFAULTSIZE = size;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.provider.ICSSWidgetProvider#getPreferredDimension(int,
* int)
*/
public DimensionInfo getPreferredDimension(int width, int height) {
if (width <= 0) {
width = getDefaultWidth();
}
if (height <= 0) {
height = getDefaultHeight();
}
return new DimensionInfo(width, height, -1);
}
/**
* @return
*/
private int getDefaultHeight() {
ICSSStyle style = this.getCSSStyle();
if (style == null) {
style = DefaultStyle.getInstance();
}
ICSSFont font = style.getCSSFont();
Font swtfont = font.getSwtFont();
int fontSize = FigureUtilities.getFontMetrics(swtfont).getHeight();
return fontSize + VERTICAL_INCREMENT;
}
/**
* @return the default width
*/
public int getDefaultWidth() {
ICSSStyle style = this.getCSSStyle();
if (style == null) {
style = DefaultStyle.getInstance();
}
return computeWidth(style.getCSSFont());
}
private int computeWidth(ICSSFont font) {
int fontWidth = FigureUtilities
.getTextWidth("abcde", font.getSwtFont());//$NON-NLS-1$
return (fontWidth + 1) * _size / 5;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.provider.ICSSWidgetProvider#paintFigure(org.eclipse.draw2d.Graphics,
* org.eclipse.draw2d.geometry.Rectangle)
*/
public void paintFigure(Graphics g, Rectangle rect) {
String value = getValue();
if (value != null) {
ICSSStyle style = this.getCSSStyle();
if (style == null) {
style = DefaultStyle.getInstance();
}
Object textAlign = style
.getStyleProperty(ICSSPropertyID.ATTR_TEXTALIGN);
Font font = style.getCSSFont().getSwtFont();
g.setFont(font);
Color newColor = null;
Object color = style.getColor();
if (color instanceof Color) {
g.setForegroundColor((Color) color);
} else if (color instanceof RGB) {
newColor = new Color(Display.getCurrent(), (RGB) color);
g.setForegroundColor(newColor);
} else {
g.setForegroundColor(ColorConstants.black);
}
g.clipRect(rect);
int width = FigureUtilities.getTextWidth(value, g.getFont());
int x = TextLayoutSupport.getBeginX(textAlign, rect, width);
int y = rect.y + VERTICAL_INCREMENT / 2;
g.drawString(value, x, y);
TextLayoutSupport.paintTextDecoration(g, new Rectangle(x, y, width,
g.getFontMetrics().getHeight()), ((Integer) getCSSStyle()
.getStyleProperty(ICSSPropertyID.ATTR_TEXTDECORATION))
.intValue());
if (newColor != null) {
newColor.dispose();
}
}
}
/**
* set the value in this text input control
*
* @param value
*/
public void setValue(String value) {
this._value = value;
}
/**
* @param size
*/
public void setSize(int size) {
this._size = (size <= 0 ? DEFAULTSIZE : size);
}
/**
* get current value in this text input control
*
* @return the value
*/
public String getValue() {
return _value;
}
}