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Cobra is the rendering engine designed for LoboBrowser
/*
GNU LESSER GENERAL PUBLIC LICENSE
Copyright (C) 2015 Uproot Labs India Pvt Ltd
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
*/
package org.cobraparser.html.renderer;
import java.awt.FontMetrics;
import org.cobraparser.html.domimpl.ModelNode;
public class RTab extends RWord {
public RTab(final ModelNode me, final RenderableContainer container, final FontMetrics fontMetrics, final int descent, final int ascentPlusLeading,
final int height, final int numSpaces) {
super(me, "\t", container, fontMetrics, descent, ascentPlusLeading, height, 0);
this.width = fontMetrics.charWidth(' ') * numSpaces;
}
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;
if (startX != -1) {
index1 = 0;
}
if (endX != -1) {
index2 = 0;
}
if ((index1 != -1) || (index2 != -1)) {
if (index2 == -1) {
buffer.append('\t');
}
} else {
if (inSelection) {
buffer.append('\t');
return true;
}
}
if ((index1 != -1) && (index2 != -1)) {
return false;
} else {
return !inSelection;
}
}
}