/*
    * Copyright (c) 2022 Airtango.
    * All rights reserved.
    */
   
   package de.funfried.netbeans.plugins.editor.closeleftright.options;
   
   import java.awt.event.ActionEvent;
   import java.util.Collection;
  import java.util.HashMap;
  import java.util.Map;
  
  import javax.swing.JCheckBox;
  import javax.swing.event.ChangeListener;
  
  import org.openide.util.ChangeSupport;
  import org.openide.util.Lookup;
  
  import de.funfried.netbeans.plugins.editor.closeleftright.AdditionalCloseActionFactory;
  
  final class AdditionalCloseActionsPanel extends javax.swing.JPanel {
  	private static final long serialVersionUID = 4588982272030513399L;
  
  	private final Map<AdditionalCloseActionFactory, JCheckBox> actionChkBoxes = new HashMap<>();
  
  	/** {@link ChangeSupport} to notify about changed preference components. */
  	private final ChangeSupport changeSupport;
  
  	AdditionalCloseActionsPanel() {
  		this.changeSupport = new ChangeSupport(this);
  
  		initComponents();
  		generateComponents();
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	public void addChangeListener(ChangeListener listener) {
  		changeSupport.addChangeListener(listener);
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	public void removeChangeListener(ChangeListener listener) {
  		changeSupport.removeChangeListener(listener);
  	}
  
  	/**
  	 * Fires a change event to all registered {@link ChangeListener}s.
  	 */
  	protected void fireChangedListener() {
  		changeSupport.fireChange();
  	}
  
  	private void updateSelectAllChkBox() {
  		boolean allSelected = true;
  
  		for (AdditionalCloseActionFactory additionalCloseActionFactory : actionChkBoxes.keySet()) {
  			JCheckBox actionChkBox = actionChkBoxes.get(additionalCloseActionFactory);
  			if (!actionChkBox.isSelected()) {
  				allSelected = false;
  				break;
  			}
  		}
  
  		selectAllChkBox.setSelected(allSelected);
  	}
  
  	private void generateComponents() {
  		Collection<? extends AdditionalCloseActionFactory> additionalCloseActionFactories = Lookup.getDefault().lookupAll(AdditionalCloseActionFactory.class);
  		for (AdditionalCloseActionFactory additionalCloseActionFactory : additionalCloseActionFactories) {
  			JCheckBox actionChkBox = new JCheckBox(additionalCloseActionFactory.getName() + (!additionalCloseActionFactory.isGlobalAction() ? " (Editor context menu only)" : ""));
  			actionChkBox.addActionListener((ActionEvent e) -> {
  				fireChangedListener();
  
  				updateSelectAllChkBox();
  			});
  
  			actionChkBoxesPanel.add(actionChkBox);
  
  			actionChkBoxes.put(additionalCloseActionFactory, actionChkBox);
  		}
  	}
  
  	/**
  	 * 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() {
  
          selectAllChkBox = new javax.swing.JCheckBox();
          descriptionLbl = new javax.swing.JLabel();
          actionChkBoxesPanel = new javax.swing.JPanel();
  
         org.openide.awt.Mnemonics.setLocalizedText(selectAllChkBox, org.openide.util.NbBundle.getMessage(AdditionalCloseActionsPanel.class, "AdditionalCloseActionsPanel.selectAllChkBox.text")); // NOI18N
         selectAllChkBox.addActionListener(new java.awt.event.ActionListener() {
             public void actionPerformed(java.awt.event.ActionEvent evt) {
                 selectAllChkBoxActionPerformed(evt);
             }
         });
 
         org.openide.awt.Mnemonics.setLocalizedText(descriptionLbl, org.openide.util.NbBundle.getMessage(AdditionalCloseActionsPanel.class, "AdditionalCloseActionsPanel.descriptionLbl.text")); // NOI18N
 
         actionChkBoxesPanel.setLayout(new javax.swing.BoxLayout(actionChkBoxesPanel, javax.swing.BoxLayout.Y_AXIS));
 
         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
         this.setLayout(layout);
         layout.setHorizontalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(layout.createSequentialGroup()
                 .addContainerGap()
                 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                     .addComponent(actionChkBoxesPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                     .addGroup(layout.createSequentialGroup()
                         .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                             .addComponent(selectAllChkBox)
                             .addComponent(descriptionLbl))
                         .addGap(0, 42, Short.MAX_VALUE)))
                 .addContainerGap())
         );
         layout.setVerticalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(layout.createSequentialGroup()
                 .addContainerGap()
                 .addComponent(descriptionLbl)
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                 .addComponent(selectAllChkBox)
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                 .addComponent(actionChkBoxesPanel, javax.swing.GroupLayout.DEFAULT_SIZE, 165, Short.MAX_VALUE)
                 .addContainerGap())
         );
     }// </editor-fold>//GEN-END:initComponents
 
     private void selectAllChkBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_selectAllChkBoxActionPerformed
 		for (AdditionalCloseActionFactory additionalCloseActionFactory : actionChkBoxes.keySet()) {
 			JCheckBox actionChkBox = actionChkBoxes.get(additionalCloseActionFactory);
 			actionChkBox.setSelected(selectAllChkBox.isSelected());
 
 			fireChangedListener();
 		}
     }//GEN-LAST:event_selectAllChkBoxActionPerformed
 
 		void load() {
 			for (AdditionalCloseActionFactory additionalCloseActionFactory : actionChkBoxes.keySet()) {
 				JCheckBox actionChkBox = actionChkBoxes.get(additionalCloseActionFactory);
 				actionChkBox.setSelected(additionalCloseActionFactory.isActive());
 			}
 
 			updateSelectAllChkBox();
 		}
 
 		void store() {
 			for (AdditionalCloseActionFactory additionalCloseActionFactory : actionChkBoxes.keySet()) {
 				JCheckBox actionChkBox = actionChkBoxes.get(additionalCloseActionFactory);
 				additionalCloseActionFactory.setActive(actionChkBox.isSelected());
 			}
 		}
 
 		boolean valid() {
 			return true;
 		}
 
     // Variables declaration - do not modify//GEN-BEGIN:variables
     private javax.swing.JPanel actionChkBoxesPanel;
     private javax.swing.JLabel descriptionLbl;
     private javax.swing.JCheckBox selectAllChkBox;
     // End of variables declaration//GEN-END:variables
 
 	}