EDIT

/**

* Copyright (C) 2015 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.preference.menu;

import org.eclipse.jface.preference.PreferencePage;

import org.eclipse.jface.resource.ImageDescriptor;

import org.eclipse.swt.SWT;

import org.eclipse.swt.custom.CLabel;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Combo;

import org.eclipse.swt.widgets.Composite;

import eu.etaxonomy.cdm.model.metadata.IKeyLabel;

import eu.etaxonomy.cdm.model.metadata.IPreferencePredicate;

import eu.etaxonomy.taxeditor.l10n.Messages;

import eu.etaxonomy.taxeditor.preference.IE4PreferencePage;

import eu.etaxonomy.taxeditor.preference.PreferencesUtil;

/**

 * @author cmathew

 * @date 30 Jul 2015

 *

 */

public abstract class CdmPreferencePage extends PreferencePage implements IE4PreferencePage {

    private boolean isDefaultButtonActivated = true;

    protected boolean isAdminPreference;

    private boolean isApply;

    public CdmPreferencePage() {

        this(null, null);

    }

    public CdmPreferencePage(String title) {

        this(title, null);

    }

    public CdmPreferencePage(String title, ImageDescriptor image) {

        super(title, image);

        init();

    }

    public void init() {

        setPreferenceStore(PreferencesUtil.getPreferenceStore());

    }

    @Override

    public void createControl(Composite parent){

        super.createControl(parent);

        if (getApplyButton() != null){

            this.getApplyButton().setEnabled(false);

        }

        if (getDefaultsButton() != null){

            this.getDefaultsButton().setEnabled(isDefaultButtonActivated);

        }

    }

    @Override

    public boolean performOk() {

        if (isValid()){

            return super.performOk();

        }return false;

    }

    @Override

    public boolean performCancel() {

        return super.performCancel();

    }

    @Override

    public void performApply() {

        setApply(true);

        super.performApply();

        setApply(false);

    }

    protected Composite createComposite(Composite composite) {

        Composite activateComp = new Composite(composite, SWT.NULL);

        GridLayout layout = new GridLayout();

        layout.numColumns = 2;

        activateComp.setLayout(layout);

        GridData gridData = new GridData(GridData.FILL_HORIZONTAL);

        activateComp.setLayoutData(gridData);

        return activateComp;

    }

    protected GridData createTextGridData() {

        GridData sepGrid = new GridData(GridData.FILL_HORIZONTAL);

        sepGrid.horizontalSpan = 2;

        return sepGrid;

    }

    protected void getValues(){

    }

    protected Button createAllowOverrideButton(Composite activateComp) {

        final Button allowOverrideCheckButton = new Button(activateComp, SWT.CHECK);

        String overrideString;

        if (isAdminPreference){

            overrideString = Messages.GeneralPreference_allowOverride;

        }else{

            overrideString = Messages.GeneralPreference_override;

        }

        allowOverrideCheckButton.setText(overrideString);

        GridData grid = new GridData();

        grid.horizontalAlignment = SWT.END;

        allowOverrideCheckButton.setLayoutData(grid);

        return allowOverrideCheckButton;

    }

    @Override

    public boolean isApply() {

        return isApply;

    }

    public void setApply(boolean isApply) {

        this.isApply = isApply;

        if (this.getApplyButton() != null){

            this.getApplyButton().setEnabled(this.isApply);

        }

    }

    public boolean isDefaultButtonActivated() {

        return isDefaultButtonActivated;

    }

    public void setDefaultButtonActivated(boolean isDefaultButtonActivated) {

        this.isDefaultButtonActivated = isDefaultButtonActivated;

    }

    public Combo createBooleanCombo(Composite parent, String textTrue, String textFalse, IPreferencePredicate predicate, String labelText, boolean isAdminPage) {

        final CLabel rankDescription = new CLabel(parent, SWT.NULL);

        rankDescription.setText(labelText);

        GridData textGrid = createTextGridData();

        textGrid.verticalSpan = 2;

        rankDescription.setLayoutData(textGrid);

        Combo booleanCombo = new Combo(parent, SWT.BORDER | SWT.READ_ONLY);

//        CdmPreference dbPref = PreferencesUtil.getPreferenceFromDB(predicate);

//        boolean defaultValue = true;

//        if (dbPref != null && !isAdminPage){

//            defaultValue = Boolean.valueOf(dbPref.getValue());

//        }else{

          boolean defaultValue = (Boolean)predicate.getDefaultValue();

          String defaultString;

          if (defaultValue){

              defaultString = " ("+textTrue+")";

          }else{

              defaultString = " ("+textFalse+")";

          }

//        }

//        if (defaultValue){

            booleanCombo.add(Messages.Preference_Use_Default + defaultString);

            booleanCombo.add(textTrue);

            booleanCombo.add(textFalse);

//        }else{

//

//            booleanCombo.add(textFalse + Messages.Preference_Use_Default);

//        }

        return booleanCombo;

    }

    public Combo createCombo(Composite parent, IKeyLabel[] enumValues, IPreferencePredicate predicate, String labelText, boolean isAdminPage) {

        final CLabel description = new CLabel(parent, SWT.NULL);

        description.setText(labelText);

        GridData textGrid = createTextGridData();

        textGrid.verticalSpan = 2;

        description.setLayoutData(textGrid);

        Combo booleanCombo = new Combo(parent, SWT.BORDER | SWT.READ_ONLY);

        String defaultValue = null;

        Object defaultObject = predicate.getDefaultValue();

        if (defaultObject != null){

            if (defaultObject instanceof IKeyLabel){

                defaultValue = ((IKeyLabel)defaultObject).getKey();

            }else{

                defaultValue = predicate.getDefaultValue().toString();

            }

        }

        booleanCombo.add(Messages.Preference_Use_Default + " ("+defaultValue+")");;

        for (IKeyLabel value: enumValues){

            booleanCombo.add(value.getLabel());

        }

        return booleanCombo;

    }

}