/*
 * Copyright (c) 2004,2009 Declarative Engineering LLC.
 * All rights reserved.  This program and the accompanying materials
 * are made available under the terms of the Declarative Engineering LLC
 * verson 1 which accompanies this distribution, and is available at
 * http://declarativeengineering.com/legal/DE_Developer_License_v1.txt
 */
package com.foundation.view.swt.builder;

import com.foundation.view.builder.*;
import com.foundation.view.definition.*;

public class GridLayoutDataBuilder extends AbstractLayoutBuilder {
	protected static final String ALIGNMENT_BEGINNING = "beginning";
	protected static final String ALIGNMENT_CENTER = "center";
	protected static final String ALIGNMENT_END = "end";
	protected static final String ALIGNMENT_FILL = "fill";
	//These are the same as beginning and end, but allow people hand writing the vml to make mistakes.//
	protected static final String ALIGNMENT_RIGHT = "right";
	protected static final String ALIGNMENT_LEFT = "left";
	protected static final String ALIGNMENT_TOP = "top";
	protected static final String ALIGNMENT_BOTTOM = "bottom";
	
	protected static final String PROPERTY_HORIZONTAL_ALIGNMENT = "horizontal-alignment";
	protected static final String PROPERTY_VERTICAL_ALIGNMENT = "vertical-alignment";
	protected static final String PROPERTY_DEFAULT_WIDTH = "default-width";
	protected static final String PROPERTY_DEFAULT_HEIGHT = "default-height";
	protected static final String PROPERTY_MINIMUM_WIDTH = "minimum-width";
	protected static final String PROPERTY_MINIMUM_HEIGHT = "minimum-height";
	protected static final String PROPERTY_HORIZONTAL_INDENT = "horizontal-indent";
	protected static final String PROPERTY_HORIZONTAL_SPAN = "horizontal-span";
	protected static final String PROPERTY_HORIZONTAL_FILL = "horizontal-fill";
	protected static final String PROPERTY_VERTICAL_INDENT = "vertical-indent";
	protected static final String PROPERTY_VERTICAL_SPAN = "vertical-span";
	protected static final String PROPERTY_VERTICAL_FILL = "vertical-fill";
	protected static final String PROPERTY_EXCLUDE = "exclude";
/**
 * GridLayoutDataBuilder constructor.
 */
public GridLayoutDataBuilder() {
	super();
}//GridLayoutDataBuilder()//
/**
 * Converts the alignment identifier string into the necessary source code.
 * @param alignment The string identifying which alignment to use.
 * @return The source code specifying which alignment.
 */
protected String getAlignmentSource(String alignment) {
	String source = null;
	
	if(ALIGNMENT_BEGINNING.equals(alignment) || ALIGNMENT_LEFT.equals(alignment) || ALIGNMENT_TOP.equals(alignment)) {
		source = "BEGINNING";
	}//if//
	else if(ALIGNMENT_CENTER.equals(alignment)) {
		source = "CENTER";
	}//else if//
	else if(ALIGNMENT_END.equals(alignment) || ALIGNMENT_RIGHT.equals(alignment) || ALIGNMENT_BOTTOM.equals(alignment)) {
		source = "END";
	}//else if//
	else if(ALIGNMENT_FILL.equals(alignment)) {
		source = "FILL";
	}//else if//
	
	return source;
}//getAlignmentSource()//
/* (non-Javadoc)
 * @see com.foundation.view.builder.IBuilder#appendInitializationHead(com.foundation.view.builder.IViewSourceBuilder, java.lang.StringBuffer, com.foundation.view.definition.ComponentData)
 */
public void appendInitializationHead(IViewSourceBuilder viewBuilder, StringBuffer buffer, IComponentData data) {
	String horizontalAlignment = (String) data.getPropertyValue(PROPERTY_HORIZONTAL_ALIGNMENT);
	String verticalAlignment = (String) data.getPropertyValue(PROPERTY_VERTICAL_ALIGNMENT);
	Integer defaultWidth = (Integer) data.getPropertyValue(PROPERTY_DEFAULT_WIDTH);
	Integer defaultHeight = (Integer) data.getPropertyValue(PROPERTY_DEFAULT_HEIGHT);
	Integer minimumWidth = (Integer) data.getPropertyValue(PROPERTY_MINIMUM_WIDTH);
	Integer minimumHeight = (Integer) data.getPropertyValue(PROPERTY_MINIMUM_HEIGHT);
	Integer horizontalIndent = (Integer) data.getPropertyValue(PROPERTY_HORIZONTAL_INDENT);
	Integer horizontalSpan = (Integer) data.getPropertyValue(PROPERTY_HORIZONTAL_SPAN);
	Boolean horizontalFill = (Boolean) data.getPropertyValue(PROPERTY_HORIZONTAL_FILL);
	Integer verticalIndent = (Integer) data.getPropertyValue(PROPERTY_VERTICAL_INDENT);
	Integer verticalSpan = (Integer) data.getPropertyValue(PROPERTY_VERTICAL_SPAN);
	Boolean verticalFill = (Boolean) data.getPropertyValue(PROPERTY_VERTICAL_FILL);
	Boolean exclude = (Boolean) data.getPropertyValue(PROPERTY_EXCLUDE);
	
	buffer.append("\t\t" + getComponentClassName() + " layoutData = new " + getComponentClassName() + "();\r\n");
	buffer.append("\t\t\r\n");
	
	if(verticalAlignment != null) {
		String alignment = getAlignmentSource(verticalAlignment);
		
		if(alignment != null) {
			buffer.append("\t\tlayoutData.verticalAlignment = " + getComponentClassName() + "." + alignment + ";\r\n");
		}//if//
	}//if//

	if(horizontalAlignment != null) {
		String alignment = getAlignmentSource(horizontalAlignment);
		
		if(alignment != null) {
			buffer.append("\t\tlayoutData.horizontalAlignment = " + getComponentClassName() + "." + alignment + ";\r\n");
		}//if//
	}//if//
	
	if(defaultWidth != null) {
		buffer.append("\t\tlayoutData.widthHint = " + (defaultWidth.intValue() < 0 ? -1 : defaultWidth.intValue()) + ";\r\n");
	}//if//
	
	if(defaultHeight != null) {
		buffer.append("\t\tlayoutData.heightHint = " + (defaultHeight.intValue() < 0 ? -1 : defaultHeight.intValue()) + ";\r\n");
	}//if//
	
	if(minimumWidth != null) {
		buffer.append("\t\tlayoutData.minimumWidth = " + (minimumWidth.intValue() < 0 ? 0 : minimumWidth.intValue()) + ";\r\n");
		
		if(defaultWidth == null) {
			buffer.append("\t\tlayoutData.widthHint = " + (minimumWidth.intValue() < 0 ? 0 : minimumWidth.intValue()) + ";\r\n");
		}//if//
	}//if//
	
	if(minimumHeight != null) {
		buffer.append("\t\tlayoutData.minimumHeight = " + (minimumHeight.intValue() < 0 ? -1 : minimumHeight.intValue()) + ";\r\n");
		
		if(defaultHeight == null) {
			buffer.append("\t\tlayoutData.heightHint = " + (minimumHeight.intValue() < 0 ? -1 : minimumHeight.intValue()) + ";\r\n");
		}//if//
	}//if//
	
	if(horizontalIndent != null) {
		buffer.append("\t\tlayoutData.horizontalIndent = " + horizontalIndent + ";\r\n");
	}//if//
	
	if(horizontalSpan != null) {
		buffer.append("\t\tlayoutData.horizontalSpan = " + horizontalSpan + ";\r\n");
	}//if//
	
	if(verticalIndent != null) {
		buffer.append("\t\tlayoutData.verticalIndent = " + verticalIndent + ";\r\n");
	}//if//
	
	if(verticalSpan != null) {
		buffer.append("\t\tlayoutData.verticalSpan = " + verticalSpan + ";\r\n");
	}//if//
	
	if(horizontalFill != null) {
		buffer.append("\t\tlayoutData.grabExcessHorizontalSpace = " + horizontalFill + ";\r\n");
	}//if//
	
	if(verticalFill != null) {
		buffer.append("\t\tlayoutData.grabExcessVerticalSpace = " + verticalFill + ";\r\n");
	}//if//
	
	if(exclude != null) {
		buffer.append("\t\tlayoutData.exclude = " + exclude + ";\r\n");
	}//if//
	
	buffer.append("\t\t" + viewBuilder.getComponentAttributeName(data.getParent()) + ".setLayoutData(layoutData);\r\n");
}//appendInitializationHead()//
/* (non-Javadoc)
 * @see com.foundation.view.builder.IBuilder#getComponentClassName()
 */
public String getComponentClassName() {
	return "com.foundation.view.swt.layout.GridData";
}//getComponentClassName()//
}//GridLayoutDataBuilder//