townexamplemodel.java

实现Table的很多功能 具有类似Excel的特征

/*
 * Copyright (C) 2004 by Friederich Kupzog Elektronik & Software
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
    Author: Friederich Kupzog  
    [e-mail]
    www.kupzog.de/fkmk
*/
package de.kupzog.examples;

import org.eclipse.swt.graphics.Point;

import de.kupzog.ktable.KTableCellEditor;
import de.kupzog.ktable.KTableCellRenderer;
import de.kupzog.ktable.KTableModel;
import de.kupzog.ktable.editors.KTableCellEditorMultilineText;

/**
 * @author Friederich Kupzog
 */
public class TownExampleModel 
implements KTableModel {

	private int[] colWidths;
	private TownExampleContent[] content;
	
	public TownExampleModel()
	{
		colWidths = new int[getColumnCount()];
		colWidths[0] = 120;
		colWidths[1] = 100;
		colWidths[2] = 180;
		
		content = new TownExampleContent[3];
		content[0] = new TownExampleContent("Aachen", "Germany");
		content[1] = new TownExampleContent("Cologne", "Germany");
		content[2] = new TownExampleContent("Edinburgh", "Scotland");

	}
	/* 
	 * overridden from superclass
	 */
	public Object getContentAt(int col, int row) {
		if (row == 0) // Header
		{
			if (col == 0)  return "Town";
			else if (col == 1)  return "Country";
			else return "Notes";
		}
		else 
		{
			return content[row-1];
		}
	}

	/* 
	 * overridden from superclass
	 */
	public KTableCellEditor getCellEditor(int col, int row) {
		if (row > 0 && col == 2) return new KTableCellEditorMultilineText();
		return null;
	}

	/* 
	 * overridden from superclass
	 */
	public void setContentAt(int col, int row, Object value) {
		content[row-1].notes = (String)value;
	}

	/* 
	 * overridden from superclass
	 */
	public int getRowCount() {
		return 4;
	}

	/* 
	 * overridden from superclass
	 */
	public int getFixedHeaderRowCount() {
		return 1;
	}

	/* 
	 * overridden from superclass
	 */
	public int getColumnCount() {
		return 3;
	}

	/* 
	 * overridden from superclass
	 */
	public int getFixedHeaderColumnCount() {
		return 0;
	}

	/* 
	 * overridden from superclass
	 */
	public int getColumnWidth(int col) {
		return colWidths[col];
	}

	/* 
	 * overridden from superclass
	 */
	public boolean isColumnResizable(int col) {
		return (col != 0);
	}

	/* 
	 * overridden from superclass
	 */
	public void setColumnWidth(int col, int value) {
		if (value > 120)
			colWidths[col] = value;
	}

	/* 
	 * overridden from superclass
	 */
	public int getRowHeight(int row) {
		if (row==0) return 20;
		return 140;
	}

	/* 
	 * overridden from superclass
	 */
	public boolean isRowResizable(int row) {
		return false;
	}

	/* 
	 * overridden from superclass
	 */
	public int getRowHeightMinimum() {
		return 20;
	}

	/* 
	 * overridden from superclass
	 */
	public void setRowHeight(int row, int value) {
	}

	/* 
	 * overridden from superclass
	 */
	public KTableCellRenderer getCellRenderer(int col, int row) {
		if (row > 0) return new TownExampleRenderer();
		return KTableCellRenderer.defaultRenderer;
	}
    
    /* (non-Javadoc)
     * @see de.kupzog.ktable.KTableModel#belongsToCell(int, int)
     */
    public Point belongsToCell(int col, int row) {
        return null;
    }
    /* (non-Javadoc)
     * @see de.kupzog.ktable.KTableModel#getTooltipAt(int, int)
     */
    public String getTooltipAt(int col, int row) {
        // no tooltip
        return null;
    }
    /* (non-Javadoc)
     * @see de.kupzog.ktable.KTableModel#getFixedSelectableRowCount()
     */
    public int getFixedSelectableRowCount() {
        // all fixed rows are non-selectable.
        return 0;
    }
    /* (non-Javadoc)
     * @see de.kupzog.ktable.KTableModel#getFixedSelectableColumnCount()
     */
    public int getFixedSelectableColumnCount() {
        // all fixed columns are non-selctable.
        return 0;
    }
}