1 files changed, 204 insertions, 0 deletions
diff --git a/src/com/itmill/toolkit/ui/AbstractLayout.java b/src/com/itmill/toolkit/ui/AbstractLayout.java
new file mode 100644
index 0000000000..88ea27174c
--- /dev/null
+++ b/src/com/itmill/toolkit/ui/AbstractLayout.java
@@ -0,0 +1,204 @@
+package com.itmill.toolkit.ui;
+
+import com.itmill.toolkit.terminal.PaintException;
+import com.itmill.toolkit.terminal.PaintTarget;
+
+/**
+ * An abstract class that defines default implementation for the {@link Layout}
+ * interface.
+ * 
+ * @author IT Mill Ltd.
+ * @version
+ * @VERSION@
+ * @since 5.0
+ */
+public abstract class AbstractLayout extends AbstractComponentContainer
+		implements Layout {
+
+	/**
+	 * Layout edge margins, clockwise from top: top, right, bottom, left. Each
+	 * is set to true, if the client-side implementation should leave extra
+	 * space at that edge.
+	 */
+	private boolean[] margins;
+
+	/**
+	 * Height of the layout. Set to -1 for undefined height.
+	 */
+	private int height = -1;
+
+	/**
+	 * Height unit.
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable.UNIT_SYMBOLS;
+	 */
+	private int heightUnit = UNITS_PIXELS;
+
+	/**
+	 * Width of the layout. Set to -1 for undefined width.
+	 */
+	private int width = -1;
+
+	/**
+	 * Width unit.
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable.UNIT_SYMBOLS;
+	 */
+	private int widthUnit = UNITS_PIXELS;
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.ui.AbstractComponent#getTag()
+	 */
+	public abstract String getTag();
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.ui.Layout#setMargin(boolean)
+	 */
+	public void setMargin(boolean enabled) {
+		margins = new boolean[] { enabled, enabled, enabled, enabled };
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.ui.Layout#setMargin(boolean, boolean, boolean,
+	 *      boolean)
+	 */
+	public void setMargin(boolean topEnabled, boolean rightEnabled,
+			boolean bottomEnabled, boolean leftEnabled) {
+		margins = new boolean[] { topEnabled, rightEnabled, bottomEnabled,
+				leftEnabled };
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable#getHeight()
+	 */
+	public int getHeight() {
+		return height;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable#getHeightUnits()
+	 */
+	public int getHeightUnits() {
+		return heightUnit;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable#getWidth()
+	 */
+	public int getWidth() {
+		return width;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable#getWidthUnits()
+	 */
+	public int getWidthUnits() {
+		return widthUnit;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable#setHeight(int)
+	 */
+	public void setHeight(int height) {
+		this.height = height;
+		requestRepaint();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable#setHeightUnits(int)
+	 */
+	public void setHeightUnits(int units) {
+		this.heightUnit = units;
+		requestRepaint();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable#setSizeFull()
+	 */
+	public void setSizeFull() {
+		height = 100;
+		width = 100;
+		heightUnit = UNITS_PERCENTAGE;
+		widthUnit = UNITS_PERCENTAGE;
+		requestRepaint();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable#setSizeUndefined()
+	 */
+	public void setSizeUndefined() {
+		height = -1;
+		width = -1;
+		heightUnit = UNITS_PIXELS;
+		widthUnit = UNITS_PIXELS;
+		requestRepaint();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable#setWidth(int)
+	 */
+	public void setWidth(int width) {
+		this.width = width;
+		requestRepaint();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.terminal.Sizeable#setWidthUnits(int)
+	 */
+	public void setWidthUnits(int units) {
+		this.widthUnit = units;
+		requestRepaint();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.itmill.toolkit.ui.AbstractComponent#paintContent(com.itmill.toolkit.terminal.PaintTarget)
+	 */
+	public void paintContent(PaintTarget target) throws PaintException {
+		super.paintContent(target);
+
+		// Add margin info. Defaults to false.
+		if (margins == null)
+			setMargin(false);
+		target.addAttribute("marginTop", margins[0]);
+		target.addAttribute("marginRight", margins[1]);
+		target.addAttribute("marginBottom", margins[2]);
+		target.addAttribute("marginLeft", margins[3]);
+
+		// Add size info
+		if (getHeight() > -1)
+			target.addAttribute("height", getHeight()
+					+ UNIT_SYMBOLS[getHeightUnits()]);
+		if (getWidth() > -1)
+			target.addAttribute("height", getWidth()
+					+ UNIT_SYMBOLS[getWidthUnits()]);
+	}
+
+}