tabletab.java

一个简单的UNCODE 码生成程序

		if (multipleColumns.getSelection()) {
			for (int i = 0; i < columnTitles.length; i++) {
				TableColumn tableColumn = new TableColumn(table1, SWT.NONE);
				tableColumn.setText(columnTitles[i]);
			}
		} else {
			new TableColumn(table1, SWT.NONE);
		}
		setColumnsMoveable();
		for (int i=0; i<16; i++) {
			TableItem item = new TableItem (table1, SWT.NONE);
			item.setImage (instance.images [i % 3]);
			setItemText (item, i, ControlExample.getResourceString("Index") + i);
		}
		packColumns();
	}
	
	void setItemText(TableItem item, int i, String node) {
		int index = i % 3;
		if (multipleColumns.getSelection()) {
			tableData [index][0] = node;
			item.setText (tableData [index]);
		} else {
			item.setText (node);
		}
	}
	
	/**
	 * Creates the "Style" group.
	 */
	void createStyleGroup () {
		super.createStyleGroup ();
		
		/* Create the extra widgets */
		checkButton = new Button (styleGroup, SWT.CHECK);
		checkButton.setText ("SWT.CHECK");
		fullSelectionButton = new Button (styleGroup, SWT.CHECK);
		fullSelectionButton.setText ("SWT.FULL_SELECTION");
		hideSelectionButton = new Button (styleGroup, SWT.CHECK);
		hideSelectionButton.setText ("SWT.HIDE_SELECTION");
	}
	
	/**
	 * Gets the "Example" widget children's items, if any.
	 *
	 * @return an array containing the example widget children's items
	 */
	Item [] getExampleWidgetItems () {
		Item [] columns = table1.getColumns();
		Item [] items = table1.getItems();
		Item [] allItems = new Item [columns.length + items.length];
		System.arraycopy(columns, 0, allItems, 0, columns.length);
		System.arraycopy(items, 0, allItems, columns.length, items.length);
		return allItems;
	}
	
	/**
	 * Gets the "Example" widget children.
	 */
	Control [] getExampleWidgets () {
		return new Control [] {table1};
	}
	
	/**
	 * Returns a list of set/get API method names (without the set/get prefix)
	 * that can be used to set/get values in the example control(s).
	 */
	String[] getMethodNames() {
		return new String[] {"ItemCount", "Selection", "SelectionIndex", "TopIndex"};
	}

	String setMethodName(String methodRoot) {
		/* Override to handle special case of int getSelectionIndex()/setSelection(int) */
		return (methodRoot.equals("SelectionIndex")) ? "setSelection" : "set" + methodRoot;
	}

	Object[] parameterForType(String typeName, String value, Control control) {
		if (value.equals("")) return new Object[] {new TableItem[0]}; // bug in Table?
		if (typeName.equals("org.eclipse.swt.widgets.TableItem")) {
			TableItem item = findItem(value, ((Table) control).getItems());
			if (item != null) return new Object[] {item};
		}
		if (typeName.equals("[Lorg.eclipse.swt.widgets.TableItem;")) {
			String[] values = value.split(",");
			TableItem[] items = new TableItem[values.length];
			for (int i = 0; i < values.length; i++) {
				items[i] = findItem(values[i], ((Table) control).getItems());
			}
			return new Object[] {items};
		}
		return super.parameterForType(typeName, value, control);
	}

	TableItem findItem(String value, TableItem[] items) {
		for (int i = 0; i < items.length; i++) {
			TableItem item = items[i];
			if (item.getText().equals(value)) return item;
		}
		return null;
	}

	/**
	 * Gets the text for the tab folder item.
	 */
	String getTabText () {
		return "Table";
	}
	
	/**
	 * Sets the foreground color, background color, and font
	 * of the "Example" widgets to their default settings.
	 * Also sets foreground and background color of TableItem [0]
	 * to default settings.
	 */
	void resetColorsAndFonts () {
		super.resetColorsAndFonts ();
		Color oldColor = itemForegroundColor;
		itemForegroundColor = null;
		setItemForeground ();
		if (oldColor != null) oldColor.dispose();
		oldColor = itemBackgroundColor;
		itemBackgroundColor = null;
		setItemBackground ();
		if (oldColor != null) oldColor.dispose();
		Font oldFont = font;
		itemFont = null;
		setItemFont ();
		setExampleWidgetSize ();
		if (oldFont != null) oldFont.dispose();
	}
	
	/**
	 * Sets the background color of TableItem [0].
	 */
	void setItemBackground () {
		table1.getItem (0).setBackground (itemBackgroundColor);
		/* Set the background button's color to match the color just set. */
		Color color = itemBackgroundColor;
		if (color == null) color = table1.getItem (0).getBackground ();
		drawImage (itemBackgroundImage, color);
		itemBackgroundButton.setImage (itemBackgroundImage);
	}
	
	/**
	 * Sets the foreground color of TableItem [0].
	 */
	void setItemForeground () {
		table1.getItem (0).setForeground (itemForegroundColor);
		/* Set the foreground button's color to match the color just set. */
		Color color = itemForegroundColor;
		if (color == null) color = table1.getItem (0).getForeground ();
		drawImage (itemForegroundImage, color);
		itemForegroundButton.setImage (itemForegroundImage);
	}
	
	/**
	 * Sets the font of TableItem 0.
	 */
	void setItemFont () {
		if (instance.startup) return;
		table1.getItem (0).setFont (itemFont);
		packColumns ();
	}

	/**
	 * Sets the font of the "Example" widgets.
	 */
	void setExampleWidgetFont () {
		super.setExampleWidgetFont();
		packColumns ();
	}
	
	void packColumns () {
		int columnCount = table1.getColumnCount(); 
		for (int i = 0; i < columnCount; i++) {
			TableColumn tableColumn = table1.getColumn(i);
			tableColumn.pack();
		}
	}

	/**
	 * Sets the moveable columns state of the "Example" widgets.
	 */
	void setColumnsMoveable () {
		boolean selection = moveableColumns.getSelection();
		TableColumn[] columns = table1.getColumns();
		for (int i = 0; i < columns.length; i++) {
			columns[i].setMoveable(selection);
		}
	}

	/**
	 * Sets the state of the "Example" widgets.
	 */
	void setExampleWidgetState () {
		super.setExampleWidgetState ();
		setItemBackground ();
		setItemForeground ();
		setItemFont ();
		setExampleWidgetSize ();
		setWidgetHeaderVisible ();
		setWidgetLinesVisible ();
		checkButton.setSelection ((table1.getStyle () & SWT.CHECK) != 0);
		fullSelectionButton.setSelection ((table1.getStyle () & SWT.FULL_SELECTION) != 0);
		hideSelectionButton.setSelection ((table1.getStyle () & SWT.HIDE_SELECTION) != 0);
	}
	
	/**
	 * Sets the header visible state of the "Example" widgets.
	 */
	void setWidgetHeaderVisible () {
		table1.setHeaderVisible (headerVisibleButton.getSelection ());
	}
	
	/**
	 * Sets the lines visible state of the "Example" widgets.
	 */
	void setWidgetLinesVisible () {
		table1.setLinesVisible (linesVisibleButton.getSelection ());
	}
}