/*
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: lobochief@users.sourceforge.net
*/
/*
* Created on Apr 17, 2005
*/
package org.lobobrowser.html.renderer;
import java.awt.Color;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
import org.lobobrowser.html.domimpl.ModelNode;
import org.lobobrowser.html.style.RenderState;
class RWord extends BaseBoundableRenderable {
final String shownWord;
public final FontMetrics fontMetrics;
public final int descent;
public final int ascentPlusLeading;
public RWord(final ModelNode me, final String word, final RenderableContainer container, final FontMetrics fontMetrics,
final int descent, final int ascentPlusLeading,
final int height, final int textTransform) {
super(container, me);
final String renderedWord = textTransform == RenderState.TEXTTRANSFORM_NONE ? word : transformText(word, textTransform);
this.shownWord = renderedWord;
this.fontMetrics = fontMetrics;
this.descent = descent;
this.ascentPlusLeading = ascentPlusLeading;
this.height = height;
// TODO: In anti-aliasing, stringWidth is said not to be reliable.
// Dimensions set when constructed.
this.width = fontMetrics.stringWidth(renderedWord);
}
private static String transformText(final String word, final int textTransform) {
String string;
switch (textTransform) {
case RenderState.TEXTTRANSFORM_CAPITALIZE:
string = Character.toTitleCase(word.charAt(0)) + word.substring(1).toLowerCase();
break;
case RenderState.TEXTTRANSFORM_LOWERCASE:
string = word.toLowerCase();
break;
case RenderState.TEXTTRANSFORM_UPPERCASE:
string = word.toUpperCase();
break;
default:
string = word;
}
return string;
}
@Override
protected void invalidateLayoutLocal() {
}
/*
* (non-Javadoc)
*
* @see
* net.sourceforge.xamj.domimpl.markup.Renderable#paint(java.awt.Graphics)
*/
public void paint(final Graphics g) {
final RenderState rs = this.modelNode.getRenderState();
if (rs.getVisibility() != RenderState.VISIBILITY_VISIBLE) {
// Just don't paint it.
return;
}
final String word = this.shownWord;
final int width = this.width;
final int ascentPlusLeading = this.ascentPlusLeading;
final int height = this.height;
final int textDecoration = rs.getTextDecorationMask();
final Color bkg = rs.getTextBackgroundColor();
if (bkg != null) {
final Color oldColor = g.getColor();
try {
g.setColor(bkg);
g.fillRect(0, 0, width, height);
} finally {
g.setColor(oldColor);
}
}
g.drawString(word, 0, ascentPlusLeading);
final int td = textDecoration;
if (td != 0) {
if ((td & RenderState.MASK_TEXTDECORATION_UNDERLINE) != 0) {
final int lineOffset = ascentPlusLeading + 2;
g.drawLine(0, lineOffset, width, lineOffset);
}
if ((td & RenderState.MASK_TEXTDECORATION_LINE_THROUGH) != 0) {
final FontMetrics fm = this.fontMetrics;
final int lineOffset = fm.getLeading() + ((fm.getAscent() + fm.getDescent()) / 2);
g.drawLine(0, lineOffset, width, lineOffset);
}
if ((td & RenderState.MASK_TEXTDECORATION_OVERLINE) != 0) {
final FontMetrics fm = this.fontMetrics;
final int lineOffset = fm.getLeading();
g.drawLine(0, lineOffset, width, lineOffset);
}
if ((td & RenderState.MASK_TEXTDECORATION_BLINK) != 0) {
// TODO
}
}
final Color over = rs.getOverlayColor();
if (over != null) {
final Color oldColor = g.getColor();
try {
g.setColor(over);
g.fillRect(0, 0, width, height);
} finally {
g.setColor(oldColor);
}
}
}
public boolean paintSelection(final Graphics g, final boolean inSelection, final RenderableSpot startPoint, final RenderableSpot endPoint) {
int startX = -1;
int endX = -1;
if (this == startPoint.renderable) {
startX = startPoint.x;
}
if (this == endPoint.renderable) {
endX = endPoint.x;
}
if (!inSelection && (startX == -1) && (endX == -1)) {
return false;
}
if ((startX != -1) && (endX != -1)) {
if (endX < startX) {
final int temp = startX;
startX = endX;
endX = temp;
}
} else if ((startX != -1) && (endX == -1) && inSelection) {
endX = startX;
startX = -1;
} else if ((startX == -1) && (endX != -1) && !inSelection) {
startX = endX;
endX = -1;
}
int width1 = -1;
int width2 = -1;
final char[] wordChars = this.shownWord.toCharArray();
if (startX != -1) {
width1 = 0;
final FontMetrics fm = this.fontMetrics;
for (int len = 0; len < wordChars.length; len++) {
final int w = fm.charsWidth(wordChars, 0, len);
if (w > startX) {
break;
}
width1 = w;
}
}
if (endX != -1) {
width2 = 0;
final FontMetrics fm = this.fontMetrics;
for (int len = 0; len < wordChars.length; len++) {
final int w = fm.charsWidth(wordChars, 0, len);
if (w > endX) {
break;
}
width2 = w;
}
}
if ((width1 != -1) || (width2 != -1)) {
final int startPaint = width1 == -1 ? 0 : width1;
final int endPaint = width2 == -1 ? this.width : width2;
g.setColor(SELECTION_COLOR);
g.setXORMode(SELECTION_XOR);
g.fillRect(startPaint, 0, endPaint - startPaint, this.height);
g.setPaintMode();
return (width2 == -1);
} else {
if (inSelection) {
g.setColor(SELECTION_COLOR);
g.setXORMode(SELECTION_XOR);
g.fillRect(0, 0, this.width, this.height);
g.setPaintMode();
}
return inSelection;
}
}
public boolean extractSelectionText(final StringBuffer buffer, final boolean inSelection, final RenderableSpot startPoint,
final RenderableSpot endPoint) {
int startX = -1;
int endX = -1;
if (this == startPoint.renderable) {
startX = startPoint.x;
}
if (this == endPoint.renderable) {
endX = endPoint.x;
}
if (!inSelection && (startX == -1) && (endX == -1)) {
return false;
}
if ((startX != -1) && (endX != -1)) {
if (endX < startX) {
final int temp = startX;
startX = endX;
endX = temp;
}
} else if ((startX != -1) && (endX == -1) && inSelection) {
endX = startX;
startX = -1;
} else if ((startX == -1) && (endX != -1) && !inSelection) {
startX = endX;
endX = -1;
}
int index1 = -1;
int index2 = -1;
final char[] wordChars = this.shownWord.toCharArray();
if (startX != -1) {
index1 = 0;
final FontMetrics fm = this.fontMetrics;
for (int len = 0; len < wordChars.length; len++) {
final int w = fm.charsWidth(wordChars, 0, len);
if (w > startX) {
break;
}
index1 = len;
}
}
if (endX != -1) {
index2 = 0;
final FontMetrics fm = this.fontMetrics;
for (int len = 0; len < wordChars.length; len++) {
final int w = fm.charsWidth(wordChars, 0, len);
if (w > endX) {
break;
}
index2 = len;
}
}
if ((index1 != -1) || (index2 != -1)) {
final int startIndex = index1 == -1 ? 0 : index1;
final int endIndex = index2 == -1 ? wordChars.length : index2;
buffer.append(wordChars, startIndex, endIndex - startIndex);
} else {
if (inSelection) {
buffer.append(wordChars);
return true;
}
}
if ((index1 != -1) && (index2 != -1)) {
return false;
} else {
return !inSelection;
}
}
public boolean onMouseClick(final java.awt.event.MouseEvent event, final int x, final int y) {
final ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onMouseClick(me, event, x, y);
} else {
return true;
}
}
public boolean onDoubleClick(final java.awt.event.MouseEvent event, final int x, final int y) {
final ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onDoubleClick(me, event, x, y);
} else {
return true;
}
}
public boolean onMousePressed(final java.awt.event.MouseEvent event, final int x, final int y) {
final ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onMouseDown(me, event, x, y);
} else {
return true;
}
}
public boolean onMouseReleased(final java.awt.event.MouseEvent event, final int x, final int y) {
final ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onMouseUp(me, event, x, y);
} else {
return true;
}
}
public boolean onMouseDisarmed(final java.awt.event.MouseEvent event) {
final ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onMouseDisarmed(me, event);
} else {
return true;
}
}
public RenderableSpot getLowestRenderableSpot(final int x, final int y) {
return new RenderableSpot(this, x, y);
}
public boolean isContainedByNode() {
return true;
}
public boolean onRightClick(final MouseEvent event, final int x, final int y) {
final ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onContextMenu(me, event, x, y);
} else {
return true;
}
}
@Override
public String toString() {
return "RWord[word=" + this.shownWord + "]";
}
}