/*
GNU GENERAL LICENSE
Copyright (C) 2006 The Lobo Project. Copyright (C) 2014 - 2017 Lobo Evolution
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
verion 3 of the License, or (at your option) any later version.
This program 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
General License for more details.
You should have received a copy of the GNU General Public
along with this program. If not, see <http://www.gnu.org/licenses/>.
Contact info: lobochief@users.sourceforge.net; ivan.difrancesco@yahoo.it
*/
/*
* 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.KeyEvent;
import java.awt.event.MouseEvent;
import org.lobobrowser.html.dombl.ModelNode;
import org.lobobrowser.html.renderstate.RenderState;
/**
* The Class RWord.
*/
public final class RWord extends BaseBoundableRenderable {
/** The shown word. */
private String shownWord;
/** The font metrics. */
private FontMetrics fontMetrics;
/** The descent. */
private int descent;
/** The ascent plus leading. */
private int ascentPlusLeading;
/**
* Instantiates a new r word.
*
* @param me
* the me
* @param word
* the word
* @param container
* the container
* @param fontMetrics
* the font metrics
* @param descent
* the descent
* @param ascentPlusLeading
* the ascent plus leading
* @param height
* the height
* @param textTransform
* the text transform
*/
public RWord(ModelNode me, String word, RenderableContainer container,
FontMetrics fontMetrics, int descent, int ascentPlusLeading,
int height, int textTransform) {
super(container, me);
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);
}
/**
* Transform text.
*
* @param word
* the word
* @param textTransform
* the text transform
* @return the string
*/
private String transformText(String word, 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;
}
/*
* (non-Javadoc)
* @see
* org.lobobrowser.html.renderer.BaseBoundableRenderable#invalidateLayoutLocal()
*/
@Override
protected void invalidateLayoutLocal() {
}
/*
* (non-Javadoc)
* @see net.sourceforge.xamj.domimpl.markup.Renderable#paint(java.awt.Graphics)
*/
@Override
public void paint(Graphics g) {
RenderState rs = this.modelNode.getRenderState();
String word = this.shownWord;
int width = this.width;
int ascentPlusLeading = this.ascentPlusLeading;
int height = this.height;
int textDecoration = rs.getTextDecorationMask();
Color bkg = rs.getTextBackgroundColor();
if (bkg != null) {
Color oldColor = g.getColor();
try {
g.setColor(bkg);
g.fillRect(0, 0, width, height);
} finally {
g.setColor(oldColor);
}
}
g.drawString(word, 0, ascentPlusLeading);
int td = textDecoration;
if (td != 0) {
if ((td & RenderState.MASK_TEXTDECORATION_UNDERLINE) != 0) {
int lineOffset = ascentPlusLeading + 2;
g.drawLine(0, lineOffset, width, lineOffset);
}
if ((td & RenderState.MASK_TEXTDECORATION_LINE_THROUGH) != 0) {
FontMetrics fm = this.fontMetrics;
int lineOffset = fm.getLeading()
+ ((fm.getAscent() + fm.getDescent()) / 2);
g.drawLine(0, lineOffset, width, lineOffset);
}
if ((td & RenderState.MASK_TEXTDECORATION_OVERLINE) != 0) {
FontMetrics fm = this.fontMetrics;
int lineOffset = fm.getLeading();
g.drawLine(0, lineOffset, width, lineOffset);
}
if ((td & RenderState.MASK_TEXTDECORATION_BLINK) != 0) {
// TODO
}
}
Color over = rs.getOverlayColor();
if (over != null) {
Color oldColor = g.getColor();
try {
g.setColor(over);
g.fillRect(0, 0, width, height);
} finally {
g.setColor(oldColor);
}
}
}
/*
* (non-Javadoc)
* @see
* org.lobobrowser.html.renderer.BoundableRenderable#paintSelection(java.awt
* .Graphics, boolean, org.lobobrowser.html.renderer.RenderableSpot,
* org.lobobrowser.html.renderer.RenderableSpot)
*/
@Override
public boolean paintSelection(Graphics g, boolean inSelection,
RenderableSpot startPoint, RenderableSpot endPoint) {
int startX = -1;
int endX = -1;
if (this == startPoint.getRenderable()) {
startX = startPoint.getX();
}
if (this == endPoint.getRenderable()) {
endX = endPoint.getX();
}
if (!inSelection && (startX == -1) && (endX == -1)) {
return false;
}
if ((startX != -1) && (endX != -1)) {
if (endX < startX) {
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;
char[] wordChars = this.shownWord.toCharArray();
if (startX != -1) {
width1 = 0;
FontMetrics fm = this.fontMetrics;
for (int len = 0; len < wordChars.length; len++) {
int w = fm.charsWidth(wordChars, 0, len);
if (w > startX) {
break;
}
width1 = w;
}
}
if (endX != -1) {
width2 = 0;
FontMetrics fm = this.fontMetrics;
for (int len = 0; len < wordChars.length; len++) {
int w = fm.charsWidth(wordChars, 0, len);
if (w > endX) {
break;
}
width2 = w;
}
}
if ((width1 != -1) || (width2 != -1)) {
int startPaint = width1 == -1 ? 0 : width1;
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;
}
}
/*
* (non-Javadoc)
* @see
* org.lobobrowser.html.renderer.BoundableRenderable#extractSelectionText(java
* .lang.StringBuffer, boolean, org.lobobrowser.html.renderer.RenderableSpot,
* org.lobobrowser.html.renderer.RenderableSpot)
*/
@Override
public boolean extractSelectionText(StringBuffer buffer,
boolean inSelection, RenderableSpot startPoint,
RenderableSpot endPoint) {
int startX = -1;
int endX = -1;
if (this == startPoint.getRenderable()) {
startX = startPoint.getX();
}
if (this == endPoint.getRenderable()) {
endX = endPoint.getX();
}
if (!inSelection && (startX == -1) && (endX == -1)) {
return false;
}
if ((startX != -1) && (endX != -1)) {
if (endX < startX) {
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;
char[] wordChars = this.shownWord.toCharArray();
if (startX != -1) {
index1 = 0;
FontMetrics fm = this.fontMetrics;
for (int len = 0; len < wordChars.length; len++) {
int w = fm.charsWidth(wordChars, 0, len);
if (w > startX) {
break;
}
index1 = len;
}
}
if (endX != -1) {
index2 = 0;
FontMetrics fm = this.fontMetrics;
for (int len = 0; len < wordChars.length; len++) {
int w = fm.charsWidth(wordChars, 0, len);
if (w > endX) {
break;
}
index2 = len;
}
}
if ((index1 != -1) || (index2 != -1)) {
int startIndex = index1 == -1 ? 0 : index1;
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;
}
}
/*
* (non-Javadoc)
* @see
* org.lobobrowser.html.renderer.BoundableRenderable#onMouseClick(java.awt.event
* .MouseEvent, int, int)
*/
@Override
public boolean onMouseClick(MouseEvent event, int x, int y) {
ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onMouseClick(me, event, null,
x, y);
} else {
return true;
}
}
/*
* (non-Javadoc)
* @see
* org.lobobrowser.html.renderer.BoundableRenderable#onDoubleClick(java.awt.
* event.MouseEvent, int, int)
*/
@Override
public boolean onDoubleClick(MouseEvent event, int x, int y) {
ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onDoubleClick(me, event, null,
x, y);
} else {
return true;
}
}
/*
* (non-Javadoc)
* @see
* org.lobobrowser.html.renderer.BoundableRenderable#onMousePressed(java.awt
* .event.MouseEvent, int, int)
*/
@Override
public boolean onMousePressed(MouseEvent event, int x, int y) {
ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onMouseDown(me, event, null, x,
y);
} else {
return true;
}
}
/*
* (non-Javadoc)
* @see
* org.lobobrowser.html.renderer.BoundableRenderable#onMouseReleased(java.awt
* .event.MouseEvent, int, int)
*/
@Override
public boolean onMouseReleased(MouseEvent event, int x, int y) {
ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance()
.onMouseUp(me, event, null, x, y);
} else {
return true;
}
}
/*
* (non-Javadoc)
* @see
* org.lobobrowser.html.renderer.BoundableRenderable#onMouseDisarmed(java.awt
* .event.MouseEvent)
*/
@Override
public boolean onMouseDisarmed(MouseEvent event) {
ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onMouseDisarmed(me, event);
} else {
return true;
}
}
@Override
public boolean onKeyPressed(KeyEvent event) {
ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onKeyPress(this.modelNode,
event);
} else {
return true;
}
}
@Override
public boolean onKeyUp(KeyEvent event) {
ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onKeyUp(this.modelNode, event);
} else {
return true;
}
}
@Override
public boolean onKeyDown(KeyEvent event) {
ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance()
.onKeyDown(this.modelNode, event);
} else {
return true;
}
}
/*
* (non-Javadoc)
* @see
* org.lobobrowser.html.renderer.BoundableRenderable#getLowestRenderableSpot
* (int, int)
*/
@Override
public RenderableSpot getLowestRenderableSpot(int x, int y) {
return new RenderableSpot(this, x, y);
}
/*
* (non-Javadoc)
* @see org.lobobrowser.html.renderer.BoundableRenderable#isContainedByNode()
*/
@Override
public boolean isContainedByNode() {
return true;
}
/*
* (non-Javadoc)
* @see
* org.lobobrowser.html.renderer.BoundableRenderable#onRightClick(java.awt.event
* .MouseEvent, int, int)
*/
@Override
public boolean onRightClick(MouseEvent event, int x, int y) {
ModelNode me = this.modelNode;
if (me != null) {
return HtmlController.getInstance().onContextMenu(me, event, x, y);
} else {
return true;
}
}
/*
* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return "RWord[word=" + this.shownWord + "]";
}
/**
* Gets the shown word.
*
* @return the shown word
*/
public String getShownWord() {
return shownWord;
}
/**
* Sets the shown word.
*
* @param shownWord
* the new shown word
*/
public void setShownWord(String shownWord) {
this.shownWord = shownWord;
}
/**
* Gets the font metrics.
*
* @return the font metrics
*/
public FontMetrics getFontMetrics() {
return fontMetrics;
}
/**
* Sets the font metrics.
*
* @param fontMetrics
* the new font metrics
*/
public void setFontMetrics(FontMetrics fontMetrics) {
this.fontMetrics = fontMetrics;
}
/**
* Gets the descent.
*
* @return the descent
*/
public int getDescent() {
return descent;
}
/**
* Sets the descent.
*
* @param descent
* the new descent
*/
public void setDescent(int descent) {
this.descent = descent;
}
/**
* Gets the ascent plus leading.
*
* @return the ascent plus leading
*/
public int getAscentPlusLeading() {
return ascentPlusLeading;
}
/**
* Sets the ascent plus leading.
*
* @param ascentPlusLeading
* the new ascent plus leading
*/
public void setAscentPlusLeading(int ascentPlusLeading) {
this.ascentPlusLeading = ascentPlusLeading;
}
}