QueryBuilderPathSelector.java

/*
 * Copyright 2007 - 2017 the original author or authors.
 *
 * 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 net.sf.jailer.ui.databrowser;

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.List;

import javax.swing.DefaultComboBoxModel;

import net.sf.jailer.datamodel.Association;
import net.sf.jailer.ui.UIUtil;

/**
 * Query Builder Path Selector Dialog.
 * 
 * @deprecated this dialog is no longer used
 * @author Ralf Wisser
 */
public class QueryBuilderPathSelector extends javax.swing.JDialog {

	private static final long serialVersionUID = 3231933816703766740L;

	/** Creates new form QueryBuilderPathSelector */
	public QueryBuilderPathSelector(java.awt.Frame parent, boolean modal) {
		super(parent, modal);
		initComponents();
		setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
		addWindowFocusListener(new WindowAdapter() {
			@Override
			public void windowGainedFocus(WindowEvent e) {
				okButton.grabFocus();
			}
		});
		pack();
		setSize(Math.max(400, getWidth()), getHeight());
		UIUtil.initPeer();
	}

	/** This method is called from within the constructor to
	 * initialize the form.
	 * WARNING: Do NOT modify this code. The content of this method is
	 * always regenerated by the Form Editor.
	 */
	// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
	private void initComponents() {
		java.awt.GridBagConstraints gridBagConstraints;

		jLabel1 = new javax.swing.JLabel();
		jLabel2 = new javax.swing.JLabel();
		toComboBox = new net.sf.jailer.ui.JComboBox();
		fromLabel = new javax.swing.JLabel();
		okButton = new javax.swing.JButton();
		jLabel3 = new javax.swing.JLabel();

		setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
		setTitle("Query Builder");
		getContentPane().setLayout(new java.awt.GridBagLayout());

		jLabel1.setText(" join tables from   ");
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridx = 1;
		gridBagConstraints.gridy = 1;
		gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
		getContentPane().add(jLabel1, gridBagConstraints);

		jLabel2.setText(" to ");
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridx = 1;
		gridBagConstraints.gridy = 2;
		gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
		getContentPane().add(jLabel2, gridBagConstraints);

		toComboBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
		toComboBox.addItemListener(new java.awt.event.ItemListener() {
			public void itemStateChanged(java.awt.event.ItemEvent evt) {
				toComboBoxItemStateChanged(evt);
			}
		});
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridx = 2;
		gridBagConstraints.gridy = 2;
		gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
		gridBagConstraints.weightx = 1.0;
		getContentPane().add(toComboBox, gridBagConstraints);

		fromLabel.setFont(new java.awt.Font("DejaVu Sans", 1, 13));
		fromLabel.setText("TABLE");
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridx = 2;
		gridBagConstraints.gridy = 1;
		gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
		getContentPane().add(fromLabel, gridBagConstraints);

		okButton.setText(" Ok ");
		okButton.addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(java.awt.event.ActionEvent evt) {
				okButtonActionPerformed(evt);
			}
		});
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridx = 2;
		gridBagConstraints.gridy = 3;
		gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
		gridBagConstraints.insets = new java.awt.Insets(4, 0, 0, 0);
		getContentPane().add(okButton, gridBagConstraints);

		jLabel3.setText(" ");
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridx = 1;
		gridBagConstraints.gridy = 0;
		gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
		getContentPane().add(jLabel3, gridBagConstraints);

		pack();
	}// </editor-fold>//GEN-END:initComponents

	private void okButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_okButtonActionPerformed
		ok = true;
		setVisible(false);
	}//GEN-LAST:event_okButtonActionPerformed

	private void toComboBoxItemStateChanged(java.awt.event.ItemEvent evt) {//GEN-FIRST:event_toComboBoxItemStateChanged
		backCount = ((ToElement) toComboBox.getSelectedItem()).backCount;
		ok = true;
		setVisible(false);
	}//GEN-LAST:event_toComboBoxItemStateChanged

	// Variables declaration - do not modify//GEN-BEGIN:variables
	private javax.swing.JLabel fromLabel;
	private javax.swing.JLabel jLabel1;
	private javax.swing.JLabel jLabel2;
	private javax.swing.JLabel jLabel3;
	private javax.swing.JButton okButton;
	private net.sf.jailer.ui.JComboBox toComboBox;
	// End of variables declaration//GEN-END:variables
	
	private static class ToElement {
		public int backCount;
		public String name;
		public String toString() {
			return name;
		}
	}
	
	private int backCount;
	private boolean ok;
	
	/**
	 * Opens the dialog and lets select the number of tables to join.
	 */
	public int selectBackCount(List<Association> associationsOnPath) {
		if (associationsOnPath.isEmpty()) {
			return 0;
		}
		fromLabel.setText(associationsOnPath.get(0).source.getUnqualifiedName());
		backCount = -1;
		ok = false;
		DefaultComboBoxModel model = new DefaultComboBoxModel();
		int i = 0;
		ToElement element = new ToElement();
		element.backCount = i++;
		element.name = associationsOnPath.get(0).source.getUnqualifiedName();
		model.addElement(element);
		for (Association a: associationsOnPath) {
			element = new ToElement();
			element.backCount = i++;
			element.name = a.destination.getUnqualifiedName();
			model.addElement(element);
		}
		toComboBox.setModel(model);
		toComboBox.setSelectedIndex(i - 1);
		setLocation(getParent().getX() + (getParent().getWidth() - getWidth()) / 2, getParent().getY() + (getParent().getHeight() - getHeight()) / 2);
		setVisible(true);
		return ok? backCount : -1;
	}

}