ModuleFromPanelComponent.java

package husacct.define.presentation.jpanel.ruledetails.components;

import husacct.ServiceProvider;
import husacct.define.presentation.moduletree.CombinedModuleTree;
import husacct.define.task.AppliedRuleController;
import husacct.define.task.components.AbstractCombinedComponent;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;

public class ModuleFromPanelComponent extends AbstractPanelComponent implements TreeSelectionListener {

    private static final long serialVersionUID = 5436437579750820119L;
    private AppliedRuleController appliedRuleController;
    private boolean isException;
    private JLabel moduleFromJLabel, moduleFromContentsJLabel;
    private CombinedModuleTree moduleFromTree;

    public ModuleFromPanelComponent(boolean isException, AppliedRuleController appliedRuleController) {
		super();
		this.isException = isException;
		this.appliedRuleController = appliedRuleController;
		initGUI();
    }

    private void createFromModuleContentsJLabel() {
		moduleFromContentsJLabel = new JLabel();
		String currentModuleName = appliedRuleController.getCurrentModuleName();
		moduleFromContentsJLabel.setText(currentModuleName);
    }

    private JScrollPane createFromModuleScrollPane() {
		AbstractCombinedComponent rootComponent = appliedRuleController.getModuleTreeComponents();
		moduleFromTree = new CombinedModuleTree(rootComponent, appliedRuleController.getCurrentModuleId());
		moduleFromTree.addTreeSelectionListener(this);
		JScrollPane moduleTreeScrollPane = new JScrollPane(moduleFromTree);
	return moduleTreeScrollPane;
    }

    @Override
    public Object getValue() {
		Object returnObject;
		if (!showScrollPane()) {
				returnObject = appliedRuleController.getCurrentModuleId();
			} else {
				returnObject = moduleFromTree.getSelectedTreeValue();
			}
		return returnObject;
    }

    @Override
	    public boolean hasValidData() {
		boolean hasValidData = true;
		// Add checks on description
		hasValidData = hasValidData && getValue() != null;
		return hasValidData;
    }

    private void initDetails() {
		GridBagConstraints gridBagConstraints = new GridBagConstraints(0, 0, 1,
			1, 0.0, 0.0, GridBagConstraints.FIRST_LINE_START,
			GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0);
		moduleFromJLabel = new JLabel(ServiceProvider.getInstance().getLocaleService().getTranslatedString("FromModule"));
		this.add(moduleFromJLabel, gridBagConstraints);
		gridBagConstraints.gridx++;
		gridBagConstraints.fill = GridBagConstraints.BOTH;
		if (showScrollPane()) {
		    this.add(createFromModuleScrollPane(), gridBagConstraints);
		} else {
		    createFromModuleContentsJLabel();
		    this.add(moduleFromContentsJLabel, gridBagConstraints);
		}
    }

    private boolean showScrollPane(){
    	boolean result = false;
		String exceptionToRuleType = appliedRuleController.getSelectedRuleTypeKey();
		if (isException && ((exceptionToRuleType.equals("FacadeConvention")) || (exceptionToRuleType.equals("IsTheOnlyModuleAllowedToUse")))) {
			result = true;
		}
    	return result;
    }
    
    @Override
	    public void initGUI() {
		super.initGUI();
		initDetails();
    }

    @Override
	    protected void setLayout() {
		GridBagLayout ruleDetailsLayout = new GridBagLayout();
		ruleDetailsLayout.rowWeights = new double[] { 0.0, 0.0 };
		if (showScrollPane()) {
			ruleDetailsLayout.rowHeights = new int[] { 120, 30 };
		} else {
			// max total height = 290
			ruleDetailsLayout.rowHeights = new int[] { 0, 0 };
		}
		ruleDetailsLayout.columnWeights = new double[] { 0.0, 0.0 };
		ruleDetailsLayout.columnWidths = new int[] { 130, 660 };
		this.setLayout(ruleDetailsLayout);
    }

    @Override
    public void update(Object o) {
		if (moduleFromTree != null) {
		    if (o instanceof Long) {
			moduleFromTree.setSelectedRow((Long) o);
		    }
		}
    }

    @Override
    public void valueChanged(TreeSelectionEvent arg0) {
		// TODO Auto-generated method stub
    }
}