/*
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 May 21, 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 RBlank.
*/
public final class RBlank extends BaseBoundableRenderable {
/** The ascent plus leading. */
private int ascentPlusLeading;
/** The font metrics. */
private final FontMetrics fontMetrics;
/**
* Instantiates a new r blank.
*
* @param me
* the me
* @param fm
* the fm
* @param container
* the container
* @param ascentPlusLeading
* the ascent plus leading
* @param width
* the width
* @param height
* the height
*/
public RBlank(ModelNode me, FontMetrics fm, RenderableContainer container, int ascentPlusLeading, int width,
int height) {
super(container, me);
this.fontMetrics = fm;
this.ascentPlusLeading = ascentPlusLeading;
// Dimensions set when constructed.
this.width = width;
this.height = height;
}
/*
* (non-Javadoc)
*
* @see org.lobobrowser.html.renderer.BaseBoundableRenderable#
* invalidateLayoutLocal()
*/
@Override
protected void invalidateLayoutLocal() {
}
/*
* (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
* net.sourceforge.xamj.domimpl.markup.Renderable#paint(java.awt.Graphics)
*/
@Override
public final void paint(Graphics g) {
RenderState rs = this.modelNode.getRenderState();
Color bkg = rs.getTextBackgroundColor();
if (bkg != null) {
Color oldColor = g.getColor();
try {
g.setColor(bkg);
g.fillRect(0, 0, this.width, this.height);
} finally {
g.setColor(oldColor);
}
}
int td = rs.getTextDecorationMask();
if (td != 0) {
if ((td & RenderState.MASK_TEXTDECORATION_UNDERLINE) != 0) {
int lineOffset = this.ascentPlusLeading + 2;
g.drawLine(0, lineOffset, this.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, this.width, lineOffset);
}
if ((td & RenderState.MASK_TEXTDECORATION_OVERLINE) != 0) {
int lineOffset = this.fontMetrics.getLeading();
g.drawLine(0, lineOffset, this.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.render.BoundableRenderable#paintSelection(java.awt.
* Graphics, boolean, org.lobobrowser.html.render.RenderablePoint,
* org.lobobrowser.html.render.RenderablePoint)
*/
@Override
public boolean paintSelection(Graphics g, boolean inSelection, RenderableSpot startPoint, RenderableSpot endPoint) {
if ((this == startPoint.getRenderable()) || (this == endPoint.getRenderable())) {
if (inSelection) {
return false;
}
} else if (!inSelection) {
return false;
}
g.setColor(SELECTION_COLOR);
g.setXORMode(SELECTION_XOR);
g.fillRect(0, 0, this.width, this.height);
g.setPaintMode();
return true;
}
/*
* (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) {
if ((this == startPoint.getRenderable()) || (this == endPoint.getRenderable())) {
if (inSelection) {
return false;
}
} else if (!inSelection) {
return false;
}
buffer.append(' ');
return true;
}
/*
* (non-Javadoc)
*
* @see org.lobobrowser.html.render.BoundableRenderable#getRenderable(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;
}
}
/**
* 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;
}
/**
* Gets the font metrics.
*
* @return the font metrics
*/
public FontMetrics getFontMetrics() {
return fontMetrics;
}
}