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Label vertical and horizontal alignment can be changed

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bancika
2012-08-29 13:23:03 +00:00
parent a1d39c047e
commit 923107e3ea
1 changed files with 64 additions and 16 deletions
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diy-layout-creator --username bancika@gmail.com/diylc-library/src/org/diylc/components/misc/Label.java
+64 -16
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@@ -28,12 +28,18 @@ public class Label extends AbstractComponent<Void> {
private String text = DEFAULT_TEXT; private String text = DEFAULT_TEXT;
private Font font = LABEL_FONT; private Font font = LABEL_FONT;
private Color color = LABEL_COLOR; private Color color = LABEL_COLOR;
private boolean center = true; @Deprecated
private boolean center;
private HorizontalAlignment horizontalAlignment = HorizontalAlignment.Center;
private VerticalAlignment verticalAlignment = VerticalAlignment.Center;
@Override @Override
public void draw(Graphics2D g2d, ComponentState componentState, boolean outlineMode, public void draw(Graphics2D g2d, ComponentState componentState,
Project project, IDrawingObserver drawingObserver) { boolean outlineMode, Project project,
g2d.setColor(componentState == ComponentState.SELECTED ? LABEL_COLOR_SELECTED : color); IDrawingObserver drawingObserver) {
g2d
.setColor(componentState == ComponentState.SELECTED ? LABEL_COLOR_SELECTED
: color);
g2d.setFont(font); g2d.setFont(font);
FontMetrics fontMetrics = g2d.getFontMetrics(); FontMetrics fontMetrics = g2d.getFontMetrics();
Rectangle2D rect = fontMetrics.getStringBounds(text, g2d); Rectangle2D rect = fontMetrics.getStringBounds(text, g2d);
@@ -41,15 +47,35 @@ public class Label extends AbstractComponent<Void> {
int textHeight = (int) rect.getHeight(); int textHeight = (int) rect.getHeight();
int textWidth = (int) rect.getWidth(); int textWidth = (int) rect.getWidth();
int x; int x = point.x;
int y; int y = point.y;
if (center) { switch (verticalAlignment) {
// Center text horizontally and vertically case Center:
x = point.x - textWidth / 2;
y = point.y - textHeight / 2 + fontMetrics.getAscent(); y = point.y - textHeight / 2 + fontMetrics.getAscent();
} else { break;
case Top:
y = point.y - textHeight + fontMetrics.getAscent();
break;
case Bottom:
y = point.y + fontMetrics.getAscent();
break;
default:
throw new RuntimeException("Unexpected alignment: "
+ verticalAlignment);
}
switch (horizontalAlignment) {
case Center:
x = point.x - textWidth / 2;
break;
case Left:
x = point.x; x = point.x;
y = point.y - textHeight; break;
case Right:
x = point.x - textWidth;
break;
default:
throw new RuntimeException("Unexpected alignment: "
+ horizontalAlignment);
} }
g2d.drawString(text, x, y); g2d.drawString(text, x, y);
@@ -58,7 +84,8 @@ public class Label extends AbstractComponent<Void> {
@Override @Override
public void drawIcon(Graphics2D g2d, int width, int height) { public void drawIcon(Graphics2D g2d, int width, int height) {
g2d.setColor(LABEL_COLOR); g2d.setColor(LABEL_COLOR);
g2d.setFont(LABEL_FONT.deriveFont(13f * width / 32).deriveFont(Font.PLAIN)); g2d.setFont(LABEL_FONT.deriveFont(13f * width / 32).deriveFont(
Font.PLAIN));
FontMetrics fontMetrics = g2d.getFontMetrics(); FontMetrics fontMetrics = g2d.getFontMetrics();
Rectangle2D rect = fontMetrics.getStringBounds("Abc", g2d); Rectangle2D rect = fontMetrics.getStringBounds("Abc", g2d);
@@ -179,12 +206,25 @@ public class Label extends AbstractComponent<Void> {
this.color = color; this.color = color;
} }
public boolean getCenter() { @EditableProperty(name = "Vertical alignment")
return center; public VerticalAlignment getVerticalAlignment() {
return verticalAlignment;
} }
public void setCenter(boolean center) { public void setVerticalAlignment(VerticalAlignment verticalAlignment) {
this.center = center; this.verticalAlignment = verticalAlignment;
}
@EditableProperty(name = "Horizontal alignment")
public HorizontalAlignment getHorizontalAlignment() {
if (horizontalAlignment == null) {
horizontalAlignment = HorizontalAlignment.Center;
}
return horizontalAlignment;
}
public void setHorizontalAlignment(HorizontalAlignment alignment) {
this.horizontalAlignment = alignment;
} }
@Override @Override
@@ -200,4 +240,12 @@ public class Label extends AbstractComponent<Void> {
@Override @Override
public void setValue(Void value) { public void setValue(Void value) {
} }
public enum HorizontalAlignment {
Left, Center, Right;
}
public enum VerticalAlignment {
Top, Center, Bottom;
}
} }