column.java

Owing to the applet Gantt chart source yard, already Chinese melt, Gantt chart can demonstrate a Chi

/**
 *   Copyright 2004 Carlos Silva A.
 * 
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License. 
 *   You may obtain a copy of the License at  
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 * 
 */
package jgantt.view.tree;

import java.lang.reflect.Method;
import java.util.Date;

import jgantt.model.GanttException;
import jgantt.model.Task;

public class Column {
	String name, property;
	int x;
	int length;
	int baseLength;
	boolean readOnly;

	public static final int LEFT = -1;
	public static final int RIGHT = 1;
	public static final int CENTER = 0;
	int align = LEFT; // left

	TaskTree taskTree = null;
	public Column(
		TaskTree tt,
		String name,
		int length,
		String property,
		boolean readOnly,
		int al) {
		this.taskTree = tt;
		this.name = name;
		this.length = length;
		this.property = property;
		this.readOnly = readOnly;
		this.baseLength = length;
		this.align = al;

	}
	public void setX(int x) {
		this.x = x;
	}
	public int getX() {
		return x;
	}
	public void setLength(int l) {
		if (l < baseLength)
			l = baseLength;
		length = l;
	}

	public String getName() {
		return name;
	}
	public String getProperty() {
		return property;
	}
	public int getLength() {
		return length;
	}
	public boolean isReadOnly() {
		return readOnly;
	}
	public String getValue(Task t) {
		String methodName =
			"get"
				+ property.substring(0, 1).toUpperCase()
				+ property.substring(1);
		try {
			Method method = Task.class.getDeclaredMethod(methodName, null);
			Object o = method.invoke(t, null);
			if (o == null)
				return null;

			if (o instanceof Date)
				return taskTree.sdf.format(o);
			return o.toString();
		} catch (Exception e) {
			e.printStackTrace(System.err);
			return null;
		}
	}

	public void setValue(Task t, String v) throws GanttException {
		if (property.equals("name"))
			t.setName(v);
		else if (property.equals("length"))
			t.setLength(Integer.parseInt(v));
		else if (property.equals("completed"))
			t.setCompleted(Integer.parseInt(v));
		else if (property.equals("comments"))
			t.setComments(v);
		else if (property.equals("priority"))
			t.setPriority(Integer.parseInt(v));
		else
			throw new RuntimeException(
				"Columna sin setter para la propiedad:" + property);
	}

	public int getAlign() {
		return align;
	}
}