package edu.cmu.hcii.whyline.ui.qa;
import java.awt.Color;
import java.awt.Graphics2D;
import edu.cmu.hcii.whyline.bytecode.Branch;
import edu.cmu.hcii.whyline.qa.BranchBlock;
import edu.cmu.hcii.whyline.ui.UI;
/**
* @author Andrew J. Ko
*
*/
public class BranchBlockView extends EventBlockView<BranchBlock> {
private boolean isRedundantLoopBlock;
public BranchBlockView(Visualization visualization, BranchBlock block) {
super(visualization, block);
}
public boolean isFamiliarInitially() { return visualization.getTrace().hasUserSourceFileFor(visualization.getTrace().getInstruction(getEventID()).getClassfile()); }
protected void setIsRedundantLoopBlock(boolean isRedundant) {
this.isRedundantLoopBlock = isRedundant;
// Don't do this! The user didn't ask us to!
// setCollapsed(isRedundant);
updateDescription();
}
public String determineFirstLine() {
return ((Branch)visualization.getTrace().getInstruction(getExplanation().getEventID())).getKeyword();
}
public String determineSecondLine() { return null; }
protected Color determineBorderColor() {
if(isRedundantLoopBlock) return UI.CONTROL_COLOR;
else return UI.CONTROL_COLOR;
}
protected void paintExpanded(Graphics2D g) {
// Draw a vertical bar to represent the branch, distinguishing it from other types of blocks.
g.setColor(determineBorderColor());
int x = (int)(getVisibleLocalLeft() + widthOfLabel + UI.PADDING_WITHIN_EVENTS * 2);
g.drawLine(x, (int)getVisibleLocalTop(), x, (int)getVisibleLocalBottom());
super.paintExpanded(g);
}
public void drawSelection(Graphics2D g) {
java.awt.Stroke stroke = g.getStroke();
g.setStroke(UI.SELECTED_STROKE);
g.setColor(UI.getHighlightColor());
g.drawRoundRect((int)getLocalLeft(), (int)getLocalTop(), (int)widthOfLabel + UI.PADDING_WITHIN_EVENTS * 2, (int)getLocalHeight(), UI.getRoundedness(), UI.getRoundedness());
g.setStroke(stroke);
}
protected void paintLabel(Graphics2D g) {
g.drawGlyphVector(getFirstLineGlyphs(), (float)getVisibleLocalLeft() + UI.PADDING_WITHIN_EVENTS, (float)(getLocalTop() + heightOfLabel));
}
}
