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Enhance component tree tooltip

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This commit is contained in:
Sampo Niskanen 2012-04-08 16:08:31 +00:00
parent d8a4372ecd
commit 3a1fe0332d
1 changed files with 24 additions and 10 deletions
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34
core/src/net/sf/openrocket/gui/main/componenttree/ComponentTreeRenderer.java
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@ -9,6 +9,7 @@ import javax.swing.tree.DefaultTreeCellRenderer;
import net.sf.openrocket.gui.main.ComponentIcons; import net.sf.openrocket.gui.main.ComponentIcons;
import net.sf.openrocket.rocketcomponent.RocketComponent; import net.sf.openrocket.rocketcomponent.RocketComponent;
import net.sf.openrocket.unit.UnitGroup;
import net.sf.openrocket.util.TextUtil; import net.sf.openrocket.util.TextUtil;
public class ComponentTreeRenderer extends DefaultTreeCellRenderer { public class ComponentTreeRenderer extends DefaultTreeCellRenderer {
@ -21,25 +22,38 @@ public class ComponentTreeRenderer extends DefaultTreeCellRenderer {
boolean expanded, boolean expanded,
boolean leaf, boolean leaf,
int row, int row,
boolean hasFocus) { boolean hasFocus1) {
super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus); super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus1);
// Set icon // Set icon
setIcon(ComponentIcons.getSmallIcon(value.getClass())); setIcon(ComponentIcons.getSmallIcon(value.getClass()));
// Set tooltip // Set tooltip
RocketComponent c = (RocketComponent) value; RocketComponent c = (RocketComponent) value;
String comment = c.getComment().trim(); this.setToolTipText(getToolTip(c));
if (comment.length() > 0) {
comment = TextUtil.htmlEncode(comment);
comment = "<html>" + comment.replace("\n", "<br>");
this.setToolTipText(comment);
} else {
this.setToolTipText(null);
}
return this; return this;
} }
private String getToolTip(RocketComponent c) {
StringBuilder sb = new StringBuilder();
sb.append("<html>");
sb.append("<b>").append(c.getName()).append("</b>");
if (c.isMassive()) {
sb.append(" (").append(UnitGroup.UNITS_MASS.toStringUnit(c.getMass())).append(")");
}
String comment = c.getComment().trim();
if (comment.length() > 0) {
comment = TextUtil.htmlEncode(comment);
comment = comment.replace("\n", "<br>");
sb.append("<br>").append(comment);
}
return sb.toString();
}
} }