/*
 * @(#)CLCEditor.java
 *
 * $Log:   V:/PvcsSwf/Architektur_Implementation10/src/swf/framework/common/user/ui/columnLayout/CLCEditor.java_v  $
 *
 *    Rev 1.0   Nov 06 2000 15:43:14   RE05529
 * Initial revision.
 *
 *    Rev 1.3   Oct 05 2000 16:36:20   RE03277
 * ATL: noch stabiler gemacht
 *
 *    Rev 1.2   Oct 04 2000 20:52:54   RE03277
 * ATL: kleiner Bugfix
 *
 *    Rev 1.1   Oct 04 2000 10:53:38   RE03277
 * ATL: ColumnLayout beanifiziert
 *
 *    Rev 1.0   Sep 20 2000 12:36:10   RE03592
 * Initial revision.
 *
 */
package swf.framework.common.user.ui.columnLayout;

import java.beans.*;

public class CLCEditor implements PropertyEditor, Runnable {
    private PropertyChangeListener listener;
    private CLC value = new CLC(); // dargestellte CLC, niemals null
    private Object lastvalue; // zuletzt gesetzer Wert
    private CLC editedvalue; // editierter Wert
    private CustomEditor editor;

    public CLCEditor() {
        editor = new CustomEditor();
        updateEditor();
    }

    private void updateEditor() {
        if (javax.swing.SwingUtilities.isEventDispatchThread()) editor.updateGUI();
        else javax.swing.SwingUtilities.invokeLater( this );
    }

    public void run() {
        editor.updateGUI();
    }

    public boolean supportsCustomEditor() {
        return true;
    }

    public java.awt.Component getCustomEditor() {
        return editor;
    }

    public void setValue(Object newvalue) {
        if (newvalue==lastvalue) return;
        lastvalue = newvalue;
        if (!(newvalue instanceof CLC)) newvalue = new CLC();
        value = (CLC)newvalue;
        updateEditor();
        fire();
    }

    public Object getValue() {
        if (editedvalue!=null) return editedvalue;
        return value;
    }

    public boolean isPaintable() {
        return false;
    }

    public void paintValue(java.awt.Graphics gfx, java.awt.Rectangle box) {
    }

    public String getAsText() {
        if (value == null) return null;
        return value.toString();
    }

    public String getJavaInitializationString() {
        if (value == null) return null;
        StringBuffer buffer = new StringBuffer("new CLC");
        boolean isclc2 = value instanceof CLC2;
        if (isclc2) buffer.append('2');
        buffer.append('(');
        buffer.append(ColumnLayout.classname);
        buffer.append('.');
        buffer.append(ColumnLayout.getColumn(value.startcolumn));
        buffer.append(',');
        buffer.append(value.row);
        buffer.append(',');
        buffer.append(ColumnLayout.classname);
        buffer.append('.');
        if (isclc2) buffer.append(ColumnLayout.getColumn(value.endcolumn));
        else buffer.append(ColumnLayout.getColumnWidth(value.startcolumn, value.endcolumn));
        buffer.append(',');
        buffer.append(value.offset);
        buffer.append(",CLC.");
        buffer.append(CLC.getAlignment(value.alignToBaseline));
        buffer.append(",CLC.");
        buffer.append(CLC.getGroupId(value.groupid));
        buffer.append(')');
        return buffer.toString();
    }

    public void setAsText(String text) throws java.lang.IllegalArgumentException {
        throw new IllegalArgumentException();
    }

    public String[] getTags() {
        return null;
    }

    private void fire() {
        if (listener != null) listener.propertyChange(new PropertyChangeEvent(this, "CLCEditor", null, getValue()));
    }

    public void addPropertyChangeListener(PropertyChangeListener l) {
        listener = l;
    }

    public void removePropertyChangeListener(PropertyChangeListener l) {
        listener = null;
    }

    private class CustomEditor extends javax.swing.JPanel implements java.awt.event.ActionListener, java.awt.event.ItemListener, javax.swing.event.DocumentListener {
        private javax.swing.JCheckBox clc2 = new javax.swing.JCheckBox("CLC2");
        private javax.swing.JComboBox startColumn = new javax.swing.JComboBox();
        private javax.swing.JLabel endLabel = new javax.swing.JLabel();
        private javax.swing.JComboBox endColumn = new javax.swing.JComboBox();
        private javax.swing.JTextField row = new javax.swing.JTextField(10);
        private javax.swing.JTextField offset = new javax.swing.JTextField(10);
        private javax.swing.JComboBox alignment = new javax.swing.JComboBox();
        private javax.swing.JComboBox grouping = new javax.swing.JComboBox();
        private boolean isclc2 = false;
        private boolean updating = false;

        CustomEditor() {
            super( new java.awt.BorderLayout() );
            add(clc2, java.awt.BorderLayout.WEST);
            clc2.addActionListener( this );
            javax.swing.JPanel panel = new javax.swing.JPanel();
            panel.add( new javax.swing.JLabel("Startcolumn:") );
            panel.add( startColumn );
            startColumn.addItemListener(this);
            panel.add( endLabel );
            panel.add( endColumn );
            endColumn.addItemListener(this);
            add( panel, java.awt.BorderLayout.NORTH );
            panel = new javax.swing.JPanel();
            panel.add( new javax.swing.JLabel("Row:") );
            panel.add( row );
            row.getDocument().addDocumentListener(this);
            panel.add( new javax.swing.JLabel("   Offset:") );
            panel.add( offset );
            offset.getDocument().addDocumentListener(this);
            add( panel );
            panel = new javax.swing.JPanel();
            panel.add( new javax.swing.JLabel("Alignment:") );
            panel.add( alignment );
            alignment.addItemListener(this);
            panel.add( new javax.swing.JLabel("   Grouping:") );
            panel.add( grouping );
            grouping.addItemListener(this);
            add( panel, java.awt.BorderLayout.SOUTH );
            setPreferredSize( new java.awt.Dimension(450, 105) );
        }

        public String toString() {
            return "CLC Editor";
        }

        private javax.swing.DefaultComboBoxModel columnsModel;
        private javax.swing.DefaultComboBoxModel columnWithsModel;

        private void update( CLC value ) {
            updating = true;
            if (columnsModel==null) { //initializierung der GUI-Elementen
                java.util.Vector vec = new java.util.Vector();
                ColumnLayout.getColumns(vec);
                columnsModel = new javax.swing.DefaultComboBoxModel(vec);
                startColumn.setModel( columnsModel );
                columnsModel = new javax.swing.DefaultComboBoxModel(vec);
                vec = new java.util.Vector();
                ColumnLayout.getColumnWidths(vec);
                columnWithsModel = new javax.swing.DefaultComboBoxModel(vec);
                vec = new java.util.Vector();
                CLC.getAlignments(vec);
                alignment.setModel( new javax.swing.DefaultComboBoxModel(vec) );
                vec = new java.util.Vector();
                CLC.getGroupIds(vec);
                grouping.setModel( new javax.swing.DefaultComboBoxModel(vec) );
            }
            clc2.setSelected(isclc2);
            startColumn.setSelectedItem(ColumnLayout.getColumn(value.startcolumn));
            if (isclc2) {
                endLabel.setText("   Endcolumn:");
                endColumn.setModel(columnsModel);
                endColumn.setSelectedItem(ColumnLayout.getColumn(value.endcolumn));
            } else {
                endLabel.setText("   Width:");
                endColumn.setModel(columnWithsModel);
                endColumn.setSelectedItem(ColumnLayout.getColumnWidth(value.startcolumn, value.endcolumn));
            }
            row.setText(String.valueOf(value.row));
            offset.setText(String.valueOf(value.offset));
            alignment.setSelectedItem(CLC.getAlignment(value.alignToBaseline));
            grouping.setSelectedItem(CLC.getGroupId(value.groupid));
            updating = false;
        }

        void updateGUI() { //wird immer im AWT-Thread ausgeführt
            editedvalue = null;
            isclc2 = value instanceof CLC2;
            update(value);
        }

        public void actionPerformed( java.awt.event.ActionEvent ae ) {
            if (updating) return;
            isclc2 = clc2.isSelected();
            if (editedvalue==null) {
                if (isclc2) editedvalue = CLC2.makeClone2( value );
                else editedvalue = CLC.makeClone( value );
            } else {
                if (isclc2) editedvalue = CLC2.makeClone2(editedvalue);
                else editedvalue = CLC.makeClone(editedvalue);
            }
            update(editedvalue);
        }

        public void itemStateChanged( java.awt.event.ItemEvent ie ) {
            if (updating || ie.getStateChange()==java.awt.event.ItemEvent.DESELECTED) return;
            if (editedvalue==null) editedvalue = value.makeClone();
            if (ie.getSource()==alignment) {
                editedvalue.alignToBaseline = CLC.getAlignment((String)alignment.getSelectedItem());
            } else if (ie.getSource()==grouping) {
                editedvalue.groupid = CLC.getGroupId((String)grouping.getSelectedItem());
            } else {
                editedvalue.startcolumn = ColumnLayout.getColumn((String)startColumn.getSelectedItem());
                if (isclc2) {
                    editedvalue.endcolumn = ColumnLayout.getColumn((String)endColumn.getSelectedItem());
                } else {
                    editedvalue.endcolumn = CLC.WIDTH_OFFSET-ColumnLayout.getColumnWidth((String)endColumn.getSelectedItem());
                }
            }
        }

        public void changedUpdate( javax.swing.event.DocumentEvent de ) {
            if (updating) return;
            if (editedvalue==null) editedvalue = value.makeClone();
            if (de.getDocument()==row.getDocument()) {
                try {
                    editedvalue.row = Integer.parseInt(row.getText());
                } catch (Exception e) {}
            } else if (de.getDocument()==offset.getDocument()) {
                try {
                    editedvalue.offset = Integer.parseInt(offset.getText());
                } catch (Exception e) {}
            }
        }
        public void insertUpdate( javax.swing.event.DocumentEvent de ) {
            changedUpdate( de );
        }
        public void removeUpdate( javax.swing.event.DocumentEvent de ) {
            changedUpdate( de );
        }
    }

}