/*

 * Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 * Line Count Property Dialog class

 *

 */

package com.nokia.traceviewer.dialog;

import java.util.List;

import org.eclipse.swt.SWT;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Shell;

import com.nokia.traceviewer.dialog.treeitem.LineCountTreeComponentItem;

import com.nokia.traceviewer.dialog.treeitem.LineCountTreeItem;

import com.nokia.traceviewer.dialog.treeitem.LineCountTreeTextItem;

import com.nokia.traceviewer.dialog.treeitem.TreeItemListener;

import com.nokia.traceviewer.engine.TraceViewerGlobals;

import com.nokia.traceviewer.engine.activation.TraceActivationComponentItem;

import com.nokia.traceviewer.engine.activation.TraceActivationGroupItem;

/**

 * Line Count Property Dialog class

 * 

 */

public class LineCountPropertyDialog extends BasePropertyDialog {

	/**

	 * Text to show when Text rule is selected

	 */

	private static final String TEXT_RULE_INFORMATION_TEXT = Messages

			.getString("LineCountPropertyDialog.TextRuleInfo"); //$NON-NLS-1$

	/**

	 * Text to show when Component rule is selected

	 */

	private static final String COMPONENT_RULE_INFORMATION_TEXT = Messages

			.getString("LineCountPropertyDialog.ComponentRuleInfoLine1") //$NON-NLS-1$

			+ WILDCARD_STRING

			+ Messages

					.getString("LineCountPropertyDialog.ComponentRuleInfoLine2"); //$NON-NLS-1$

	/**

	 * Old item used when editing

	 */

	private LineCountTreeItem oldItem;

	/**

	 * Selected item in tree

	 */

	private final LineCountTreeItem selectedItem;

	/**

	 * TreeItem listener

	 */

	private final TreeItemListener listener;

	/**

	 * Constructor

	 * 

	 * @param parent

	 *            Parent shell

	 * @param newItem

	 *            TreeItem to modify, null if creating new one

	 * @param listener

	 *            TreeItem listener

	 * @param selected

	 *            selected item in tree

	 */

	public LineCountPropertyDialog(Shell parent, LineCountTreeItem newItem,

			TreeItemListener listener, Object selected) {

		super(parent, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);

		this.newItem = newItem;

		this.selectedItem = (LineCountTreeItem) selected;

		this.listener = listener;

		// If edit, save the old item to insert info to fields

		if (newItem != null) {

			oldItem = newItem;

			textFieldTouched = true;

			nameFieldTouched = true;

		}

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see com.nokia.traceviewer.dialog.BaseDialog#createDialogContents()

	 */

	@Override

	protected void createDialogContents() {

		getShell().setText(

				Messages.getString("LineCountPropertyDialog.ShellTitle")); //$NON-NLS-1$

		composite.setLayout(new GridLayout());

		createMainComposite();

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * com.nokia.traceviewer.dialog.BasePropertyDialog#insertDataToUpperComposite

	 * ()

	 */

	@Override

	protected void insertDataToUpperComposite() {

		// Set data from old item

		if (oldItem != null) {

			nameText.setText(oldItem.getName());

			if (oldItem.getRule() == LineCountTreeItem.Rule.TEXT_RULE) {

				selectedRuleLabel.setText(TEXT_RULE_NAME);

			} else if (oldItem.getRule() == LineCountTreeItem.Rule.TEXT_RULE) {

				selectedRuleLabel.setText(COMPONENT_RULE_NAME);

			} else {

				selectedRuleLabel.setText(TEXT_RULE_NAME);

			}

		} else {

			selectedRuleLabel.setText(TEXT_RULE_NAME);

		}

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see com.nokia.traceviewer.dialog.BasePropertyDialog#setListSelection()

	 */

	@Override

	protected void setListSelection() {

		ruleList.add(TEXT_RULE_NAME, TEXT_RULE_INDEX);

		ruleList.add(COMPONENT_RULE_NAME, COMPONENT_RULE_INDEX);

		// Set list selection

		if (oldItem != null) {

			if (oldItem.getRule() == LineCountTreeItem.Rule.TEXT_RULE) {

				ruleList.setSelection(TEXT_RULE_INDEX);

			} else if (oldItem.getRule() == LineCountTreeItem.Rule.COMPONENT_RULE) {

				ruleList.setSelection(COMPONENT_RULE_INDEX);

			}

		} else {

			ruleList.setSelection(TEXT_RULE_INDEX);

		}

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * com.nokia.traceviewer.dialog.BasePropertyDialog#insertDataToTextFields()

	 */

	@Override

	protected void insertDataToTextFields() {

		if (oldItem instanceof LineCountTreeTextItem) {

			LineCountTreeTextItem item = (LineCountTreeTextItem) oldItem;

			if (item.getText() != null) {

				textText.setText(item.getText());

			}

			matchCaseCheckBox.setSelection(item.isMatchCase());

		}

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * com.nokia.traceviewer.dialog.BasePropertyDialog#insertDataToComponentFields

	 * ()

	 */

	@Override

	protected void insertDataToComponentFields() {

		// Get component list

		List<TraceActivationComponentItem> components = null;

		if (TraceViewerGlobals.getDecodeProvider() != null) {

			components = TraceViewerGlobals.getDecodeProvider()

					.getActivationInformation(false);

		}

		// Insert data to fields

		if (oldItem instanceof LineCountTreeComponentItem) {

			LineCountTreeComponentItem item = (LineCountTreeComponentItem) oldItem;

			if (item.getComponentId() == WILDCARD_INTEGER) {

				componentTextField.setText(WILDCARD_STRING);

			} else {

				componentTextField.setText(HEX_PREFIX

						+ Integer.toHexString(item.getComponentId()));

			}

			if (item.getGroupId() == WILDCARD_INTEGER) {

				groupTextField.setText(WILDCARD_STRING);

			} else {

				groupTextField.setText(HEX_PREFIX

						+ Integer.toHexString(item.getGroupId()));

			}

			// Loop through components

			if (components != null) {

				for (int i = 0; i < components.size(); i++) {

					if (components.get(i).getId() == item.getComponentId()) {

						componentNameLabel.setText(components.get(i).getName());

						// Get groups

						List<TraceActivationGroupItem> groups = components.get(

								i).getGroups();

						// Loop through groups

						for (int j = 0; j < groups.size(); j++) {

							if (groups.get(j).getId() == item.getGroupId()) {

								groupNameLabel.setText(groups.get(j).getName());

								break;

							}

						}

						break;

					}

				}

			}

		}

		// Disable change component / group buttons if no components are

		// available

		if (components == null || components.size() <= 0) {

			changeComponentButton.setEnabled(false);

			changeGroupButton.setEnabled(false);

		}

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see org.eclipse.jface.dialogs.Dialog#okPressed()

	 */

	@Override

	protected void okPressed() {

		TraceViewerGlobals.postUiEvent("OkButton", "1"); //$NON-NLS-1$ //$NON-NLS-2$

		// Save the position of this item to set it back after creation

		// and remove the old child

		int pos = 0;

		LineCountTreeItem parent = selectedItem;

		if (oldItem != null) {

			pos = getOldPosition();

			parent = (LineCountTreeItem) oldItem.getParent();

			parent.removeChild(oldItem);

		}

		// Create new LineCountTreeTextItem

		if (ruleList.getSelectionIndex() == TEXT_RULE_INDEX) {

			newItem = new LineCountTreeTextItem(listener, parent, nameText

					.getText(), LineCountTreeItem.Rule.TEXT_RULE, textText

					.getText(), matchCaseCheckBox.getSelection());

			// Create new LineCountTreeComponentItem

		} else if (ruleList.getSelectionIndex() == COMPONENT_RULE_INDEX) {

			int componentId = WILDCARD_INTEGER;

			int groupId = WILDCARD_INTEGER;

			// Get component ID

			try {

				String cid = componentTextField.getText();

				if (cid.substring(0, HEX_PREFIX.length()).equals(HEX_PREFIX)) {

					cid = cid.substring(HEX_PREFIX.length());

				}

				componentId = Integer.parseInt(cid, HEX_RADIX);

			} catch (Exception e) {

			}

			// Get group ID

			try {

				String gid = groupTextField.getText();

				if (gid.substring(0, HEX_PREFIX.length()).equals(HEX_PREFIX)) {

					gid = gid.substring(HEX_PREFIX.length());

				}

				groupId = Integer.parseInt(gid, HEX_RADIX);

			} catch (Exception e) {

			}

			// Create new item

			newItem = new LineCountTreeComponentItem(listener, parent, nameText

					.getText(), LineCountTreeItem.Rule.COMPONENT_RULE,

					componentId, groupId);

		}

		// Add mode

		if (parent.equals(selectedItem)) {

			parent.addChild(newItem);

			// Edit mode

		} else {

			parent.addChild(pos, newItem);

		}

		super.okPressed();

		TraceViewerGlobals.postUiEvent("OkButton", "0"); //$NON-NLS-1$ //$NON-NLS-2$

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * com.nokia.traceviewer.dialog.BasePropertyDialog#setInformationLabel()

	 */

	@Override

	protected void setInformationLabel() {

		if (ruleList.getSelectionIndex() == TEXT_RULE_INDEX) {

			informationLabel.setText(TEXT_RULE_INFORMATION_TEXT);

			selectedRuleLabel.setText(TEXT_RULE_NAME);

		} else if (ruleList.getSelectionIndex() == COMPONENT_RULE_INDEX) {

			informationLabel.setText(COMPONENT_RULE_INFORMATION_TEXT);

			selectedRuleLabel.setText(COMPONENT_RULE_NAME);

		}

	}

	/**

	 * Gets old position of this item

	 * 

	 * @return old position

	 */

	protected int getOldPosition() {

		LineCountTreeItem item = (LineCountTreeItem) oldItem.getParent();

		Object[] children = item.getChildren();

		int pos = 0;

		for (int i = 0; i < children.length; i++) {

			if (children[i].equals(oldItem)) {

				pos = i;

				break;

			}

		}

		return pos;

	}

}