/**
* Global Sensor Networks (GSN) Source Code
* Copyright (c) 2006-2016, Ecole Polytechnique Federale de Lausanne (EPFL)
*
* This file is part of GSN.
*
* GSN 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 version 3 of the License, or
* (at your option) any later version.
*
* GSN 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 Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GSN. If not, see <http://www.gnu.org/licenses/>.
*
* File: src/ch/epfl/gsn/others/visualization/svg/SVGText.java
*
* @author Ali Salehi
*
*/
package ch.epfl.gsn.others.visualization.svg;
import java.awt.Color;
import java.awt.Font;
import org.antlr.stringtemplate.StringTemplate;
import org.eclipse.mylar.zest.layout.LayoutEntity;
public class SVGText extends AbstractSVGElement implements LayoutEntity {
private Object realObject;
private double userX = -1 , userY = -1 , cachedWidth = -1 , cachedHeight = -1;
private double layoutX , layoutY;
private String [ ] tokens;
private Width_Height_Decendent_ValueBean cachedDimention;
private double opaque = 1;
private int fontSize = 12;
private int fontStyle = Font.PLAIN;
private String text = "";
private Color fillColor = Color.BLACK;
private boolean border = false;
private Color borderColor = Color.white;
private Color backgroundColor = Color.white;
private final String TEMPLATE = "\n<text x=\"$X$\" y=\"$Y$\" font-family=\"arial\" font-size=\"$FONT_SIZE$px\" fill=\"#$FILL_COLOR$\" >";
private static final String END_TEMPLATE = "</text>";
private final StringTemplate stringTemplate = new StringTemplate( TEMPLATE );
private int roundness = 5;
private final int marginX = 3;
public String getName ( ) {
if ( realObject != null ) return realObject.toString( );
return null;
}
public Color getBorderColor ( ) {
return borderColor;
}
public void setBorderColor ( Color borderColor ) {
this.borderColor = borderColor;
}
public Color getBackgroundColor ( ) {
return backgroundColor;
}
public void setBackgroundColor ( Color backgroundColor ) {
this.backgroundColor = backgroundColor;
}
public SVGText ( Object internalObject , int x , int y , String text ) {
this.realObject = internalObject;
this.userX = x;
this.userY = y;
this.text = text;
}
public SVGText ( Object internalObject , String text ) {
this.realObject = internalObject;
this.text = text;
userX = userY = cachedWidth = cachedHeight = -1;
}
public double getOpaqeAlpha ( ) {
return opaque;
}
public float getFontSize ( ) {
return fontSize;
}
public void setFontSize ( int fontSize ) {
this.fontSize = fontSize;
}
public int getFontStyle ( ) {
return fontStyle;
}
public void setFontStyle ( int fontStyle ) {
this.fontStyle = fontStyle;
}
public String getText ( ) {
return text;
}
public Color getFillColor ( ) {
return fillColor;
}
public void setFillColor ( Color fillColor ) {
this.fillColor = fillColor;
}
public void enableBorder ( boolean b ) {
this.border = b;
}
public boolean isBorder ( ) {
return border;
}
public void setBorder ( boolean border ) {
this.border = border;
}
public int getRoundness ( ) {
return roundness;
}
public void setRoundness ( int roundness ) {
this.roundness = roundness;
}
/**
* -----------------------------------------
*/
public void setUserX ( double userX ) {
this.userX = userX;
}
public void setUserY ( double userY ) {
this.userY = userY;
}
public boolean hasPreferredLocation ( ) {
if ( userX > 0 && userY > 0 ) return true;
return false;
}
public double getXInLayout ( ) {
if ( userX > 0 && userY > 0 ) return userX;
return layoutX;
}
public double getYInLayout ( ) {
if ( userX > 0 && userY > 0 ) return userY;
return layoutY;
}
public void setLocationInLayout ( double x , double y ) {
if ( userX > 0 && userY > 0 ) return;
this.layoutX = x;
this.layoutY = y;
}
public void setSizeInLayout ( double width , double height ) {
return;
}
public void setObject ( Object o ) {
this.realObject = o;
}
public Object getObject ( ) {
return realObject;
}
public String toString ( ) {
return getName( );
}
public boolean equals ( Object object ) {
boolean result = false;
if ( object instanceof AbstractSVGElement ) {
AbstractSVGElement node = ( AbstractSVGElement ) object;
result = getName( ).equals( node.getName( ) );
}
return result;
}
private synchronized void initialize ( ) {
Font font = new Font( "arial" , Font.PLAIN , fontSize + 1 );
this.cachedDimention = SVGUtils.getBoundsOfAString( text , font );
this.cachedHeight = cachedDimention.getTotalHeightUpTo( cachedDimention.getHeights( ).length ) + 5;
this.cachedWidth = cachedDimention.getWidth( ) + 2 * marginX;
tokens = cachedDimention.getStringTokenizer( );
}
public synchronized void setText ( String text ) {
this.text = text;
initialize( );
}
public double getWidthInLayout ( ) {
if ( cachedWidth == -1 ) initialize( );
return cachedWidth;
}
public double getHeightInLayout ( ) {
if ( cachedHeight == -1 ) initialize( );
return cachedHeight;
}
public void drawOn ( StringBuilder input ) {
if ( !isEnable( ) ) return;
SVGRectangle svgRectangle = new SVGRectangle( "" , getXInLayout( ) , getYInLayout( ) , getWidthInLayout( ) , getHeightInLayout( ) );
svgRectangle.setBorderColor( borderColor );
svgRectangle.setFillColor( backgroundColor );
svgRectangle.setBorderWidth( 0.5f );
svgRectangle.setOpacity( opaque );
svgRectangle.setRoundness( roundness );
svgRectangle.drawOn( input );
printLinkStartElement( input );
for ( int i = 0 ; i < tokens.length ; i++ ) {
stringTemplate.reset( );
stringTemplate.setAttribute( "X" , getXInLayout( ) + marginX );
stringTemplate.setAttribute( "Y" , getYInLayout( ) + ( cachedDimention.getTotalHeightUpTo( i + 1 ) - cachedDimention.getDecendents( )[ i ] ) + 1 );
stringTemplate.setAttribute( "FONT_SIZE" , fontSize );
stringTemplate.setAttribute( "FILL_OPACITY" , opaque );
stringTemplate.setAttribute( "FILL_COLOR" , SVGUtils.formatToHex( fillColor.getRGB( ) ) );
input.append( stringTemplate.toString( ) );
input.append( tokens[ i ] );
input.append( END_TEMPLATE );
printLinkEndElement( input );
}
}
public void setOpacity ( double opaqeVal ) {
this.opaque = opaqeVal;
}
}