path: root/logo/src/xlogo/gui/translation/MyTable.java

/* XLogo4Schools - A Logo Interpreter specialized for use in schools, based on XLogo by Loic Le Coq
 * Copyright (C) 2013 Marko Zivkovic
 * 
 * Contact Information: marko88zivkovic at gmail dot com
 * 
 * This program is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU General Public License as published by the Free 
 * Software Foundation; either version 2 of the License, or (at your option) 
 * any later version.  This program is distributed in the hope that it will be 
 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 
 * Public License for more details.  You should have received a copy of the 
 * GNU General Public License along with this program; if not, write to the Free 
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
 * MA 02110-1301, USA.
 * 
 * 
 * This Java source code belongs to XLogo4Schools, written by Marko Zivkovic
 * during his Bachelor thesis at the computer science department of ETH Zurich,
 * in the year 2013 and/or during future work.
 * 
 * It is a reengineered version of XLogo written by Loic Le Coq, published
 * under the GPL License at http://xlogo.tuxfamily.org/
 * 
 * Contents of this file were initially written by Loic Le Coq,
 * modifications, extensions, refactorings migh have been applied by Marko Zivkovic 
 */

package xlogo.gui.translation;
import java.util.Locale;
import java.util.ResourceBundle;
import java.awt.Component;
import java.util.Vector;
import java.util.Enumeration;
import java.util.Collections;

import javax.swing.ListSelectionModel;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.AbstractCellEditor;
import javax.swing.table.TableCellEditor;
import javax.swing.JTextArea;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.event.*;
import javax.swing.JScrollPane;

import java.awt.event.*;

import xlogo.gui.Searchable;
import xlogo.storage.workspace.Language;
import xlogo.Logo;
public class MyTable extends JPanel implements Searchable{
	private static final long serialVersionUID = 1L;
	private JTable table;
	private JScrollPane scrollPane;
	private TranslateXLogo tx;
	private String id;
	private String action;
	private String bundle;
	private Vector<String>  keys;
	protected MyTable(TranslateXLogo tx, String action, String id,String bundle){
		this.tx=tx;
		this.action=action;
		this.id=id;
		this.bundle=bundle;
		initGui();
	}

    public void setColumnSize(){   
            for (int i = 0 ; i < table.getColumnCount() ; i++)
        {
           table.getColumnModel().getColumn(i).setPreferredWidth(200);
        }
    }
    protected String getValue(int a, int b){
    	return table.getValueAt(a, b).toString();
    }
	private void initGui(){
		setLayout(new java.awt.BorderLayout());
		table=new JTable(new MyModel(bundle,action,id));

		MultiLineCellEditor editor = new MultiLineCellEditor(table);
		table.setDefaultEditor(String.class,editor);

		table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
		scrollPane = new JScrollPane(table);
		//table.setFillsViewportHeight(true);
		// Only one selection is possible
		table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		// You can only select Cell
		table.setCellSelectionEnabled (true);
		setColumnSize();
		add(scrollPane,java.awt.BorderLayout.CENTER);
		
	}
	 protected Vector<String> getKeys(){
		 return keys;
	 }
	class MultiLineCellEditor extends AbstractCellEditor implements TableCellEditor {
		private static final long serialVersionUID = 1L;
	  MyTextArea textArea;
		JTable table;
	 
		public MultiLineCellEditor(JTable ta) {
			super();
			table = ta;
			// this component relies on having this renderer for the String class
			MultiLineCellRenderer renderer = new MultiLineCellRenderer();
			table.setDefaultRenderer(String.class,renderer);
//	                JOptionPane.showMessageDialog(null,"jui ds l'editor","h",JOptionPane.INFORMATION_MESSAGE);
			textArea = new MyTextArea();
			textArea.setLineWrap(true);
			textArea.setWrapStyleWord(true);
			for(int i=0;i<table.getRowCount();i++) updateRow(i);
		}
	 
		/** This method determines the height in pixel of a cell given the text it contains */
		private int cellHeight(int row,int col) {
			if (row == table.getEditingRow() && col == table.getEditingColumn())
			  return textArea.getPreferredSize().height;
		  else
			  return table.getDefaultRenderer(String.class).getTableCellRendererComponent(table,
				  table.getModel().getValueAt(row,col),false,false,row,col).getPreferredSize().height;
		}
	 
		void cellGrewEvent(int row,int column) {
			updateRow(row);
		}
	 
		void cellShrankEvent(int row,int column) {
			updateRow(row);
		}
	 
		void updateRow(int row) {
			int maxHeight = 0;
			for(int j=0;j<table.getColumnCount();j++) {
				int ch;
				if ((ch = cellHeight(row,j)) > maxHeight) {
				  maxHeight = ch;
				}
			}
			table.setRowHeight(row,maxHeight);
		}
	 
		public Object getCellEditorValue() {
			return textArea.getText();
	  }	 
		public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected,
							int row, int column) {
			textArea.setText(table.getValueAt(row,column).toString());
			textArea.rowEditing = row;
			textArea.columnEditing = column;
			textArea.lastPreferredHeight = textArea.getPreferredSize().height;
		
			return textArea;

		}
	 
		class MyTextArea extends JTextArea implements KeyListener {
			private static final long serialVersionUID = 1L;
			int lastPreferredHeight = 0;
			int rowEditing;
			int columnEditing;
	 
			MyTextArea() {
				addKeyListener(this);
				// This is a fix to Bug Id 4256006
				addAncestorListener( new AncestorListener(){
					public void ancestorAdded(AncestorEvent e){
					  requestFocus();
				  }
				  public void ancestorMoved(AncestorEvent e){}
				  public void ancestorRemoved(AncestorEvent e){}
				});
			}
	 
			public void keyPressed(KeyEvent e) {}
			public void keyReleased(KeyEvent e) {}
			public void keyTyped(KeyEvent e) {
				if (getPreferredSize().getHeight() > lastPreferredHeight) {
					lastPreferredHeight = getPreferredSize().height;
					cellGrewEvent(rowEditing,columnEditing);
					// this will trigger the addition of extra lines upon the cell growing and
					// prevent all the text being lost when the cell grows to the point of requiring
					// scrollbars
					table.setValueAt(getText(),rowEditing,columnEditing);
				}
				else if (getPreferredSize().getHeight() < lastPreferredHeight) {
					lastPreferredHeight = getPreferredSize().height;
					cellShrankEvent(rowEditing,columnEditing);
				}
				else if (table.getValueAt(rowEditing,columnEditing).equals(""))
					table.setValueAt(getText(),rowEditing,columnEditing);
	 
		  }
		}
	}
	
	class MyModel extends AbstractTableModel {
		private static final long serialVersionUID = 1L;
		private String[] columnNames;
		private String[][] rowData;
		String action;
		String id;
		
		MyModel(String bundle,String action, String id){
			this.action=action;
			this.id=id;
			
			if (action.equals(TranslateXLogo.CREATE)){
				// Initilaize all Column Names
				String[] tmp=Logo.translationLanguage;
				columnNames=new String[tmp.length+1];
				columnNames[0]=id;
				for (int i=1;i<columnNames.length;i++){
					columnNames[i]=tmp[i-1];
				}
			}
			else columnNames=Logo.translationLanguage;
			buildRowData(bundle, action,id);
		}
		public String getColumnName(int col) {
	        return columnNames[col].toString();
	    }
	    public int getRowCount() { return rowData.length; }
	    public int getColumnCount() { return columnNames.length; }
	    public Object getValueAt(int row, int col) {
	        return rowData[row][col];
	    }
	    public boolean isCellEditable(int row, int col)
	        { 
	    	if (action.equals(TranslateXLogo.CONSULT)) return false;
	    	else if (action.equals(TranslateXLogo.CREATE)) {
	    		if (col==0) return true;
	    		else return false;
	    	}
	    	else if (action.equals(TranslateXLogo.MODIFY)) {
	    		if (col==Integer.parseInt(id)) return true;
	    		else return false;
	    	}
	    	else if (action.equals(TranslateXLogo.COMPLETE)) {
	     		if (col==Integer.parseInt(id)) {
	     			
	     			if (rowData[row][col].equals("")) return true;
	     			else return false;
	     		}
	    		else return false;
	    	}
	    	return true; }
	    public void setValueAt(Object value, int row, int col) {
	        rowData[row][col] = value.toString();
	        fireTableCellUpdated(row, col);
	    }
	    public Class<? extends Object> getColumnClass(int c) {
	        return getValueAt(0, c).getClass();

	    }

	    private void buildRowData(String bundle,String action, String id){
	    	ResourceBundle[] rb=new ResourceBundle[getColumnCount()];
	    	// initialize all ResourceBundle
	    	for(int i=0;i<getColumnCount();i++){
	       		Locale locale = Language.valueOf(i).getLocale();
	       		// In CREATE Mode, when i=getColumnCount(), the last locale is null
	       		if (null==locale) break;
	       		rb[i] = ResourceBundle.getBundle(bundle, locale);
	    	}
	    	keys=new Vector<String>();
	    	Enumeration<String> en=rb[0].getKeys();
	    	while(en.hasMoreElements()){
	    		String value=en.nextElement();
	    		keys.add(value);
	    	}
	    	Collections.sort(keys);
	    	rowData=new String[keys.size()][getColumnCount()];
	    	int row=0;
	    	for (int j=0;j<keys.size();j++) {
	       		String key=keys.get(j).toString();
	       		
	       		for(int i=0;i<getColumnCount();i++){
	       			if (action.equals(TranslateXLogo.CREATE)){
	       				if (i==0) rowData[row][0]="";
	       				else rowData[row][i]=rb[i-1].getString(key);
	       			}
	       			else {
	    	     			String element=rb[i].getString(key);
	    	     			if (element.equals("")) {
	    	     				rowData[row][i]="";
	    	     			}
	    	     			else rowData[row][i]=element;
	       			}
		    	}	
	    		row++;
	    	}
	    }
	}	
	class MultiLineCellRenderer extends JTextArea implements TableCellRenderer {
		private static final long serialVersionUID = 1L;
	  public MultiLineCellRenderer() {
	    setEditable(false);
	    setLineWrap(true);
	    setWrapStyleWord(true);
	  }
	 
	  public Component getTableCellRendererComponent(JTable table,Object value,boolean isSelected, boolean hasFocus, int row, int column) {
		  
	    if (value instanceof String) {
	    	if (value.toString().equals("")) setBackground(new java.awt.Color(255,200,200));
	    	else setBackground(java.awt.Color.WHITE);
	    	setText((String)value);
	    	if (isSelected) setBackground(java.awt.Color.LIGHT_GRAY);
	      // set the table's row height, if necessary
				//updateRowHeight(row,getPreferredSize().height);
	    }
	    else
	      setText("");
	    return this;
	  }
	}
	int selectedRow=0;
	int selectedColumn=0;
	 public boolean find(String element,boolean forward){
		 int row=table.getSelectedRow();
		 int col=table.getSelectedColumn();
		 if (row!=-1) {
			 if (row==table.getRowCount()-1) {
				 selectedRow=0;
				 if (col==table.getColumnCount()-1) selectedColumn=0;
				 else selectedColumn=col+1;
			 }
			 else selectedRow=row+1;
		 } 
		 int start=selectedRow;
		 for (int c=selectedColumn;c<table.getColumnCount();c++){
			 	for(int r=start;r<table.getRowCount();r++){
				 String value=table.getValueAt(r, c).toString();
				 int index=value.indexOf(element);
				 if (index!=-1) {
					 table.clearSelection();
					 if (r==table.getRowCount()-1){
						 selectedRow=0;
						 if (c==table.getColumnCount()-1) selectedColumn=0;
						 else selectedColumn=c+1;
					 }
					 else {
						 selectedRow=r+1;
					 	 selectedColumn=c;
					 }
					 boolean b=table.editCellAt(r, c);
					 if (!b) {
						 table.changeSelection(r, c,false,false);
					 }
//					 System.out.println(selectedRow+" "+selectedColumn);
					 return true;
				 }
			 }
			 start=0;
		 }
		 selectedColumn=0;
		 selectedRow=0;
		 table.changeSelection(0, 0,false,false);
		 return false;
	 }
	public void replace(String element, boolean forward){
		
	}
	public void replaceAll(String element, String substitute){
		
	}
	public void removeHighlight(){
		tx.resetSearchFrame();
	}
	
}