ilg.gnumcueclipse.core.ui.StringVariableFieldEditor.java Source code

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Here is the source code for ilg.gnumcueclipse.core.ui.StringVariableFieldEditor.java

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/*******************************************************************************
 * Copyright (c) 2015 Liviu Ionescu.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Liviu Ionescu - initial version
 *******************************************************************************/

package ilg.gnumcueclipse.core.ui;

import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.swt.widgets.Composite;

import ilg.gnumcueclipse.core.Activator;
import ilg.gnumcueclipse.core.EclipseUtils;

public class StringVariableFieldEditor extends StringFieldEditor {

    // ------------------------------------------------------------------------

    protected String fVariableName;
    protected String fVariableDescription;

    // ------------------------------------------------------------------------

    public StringVariableFieldEditor(String name, String variableName, String variableDescription, String labelText,
            Composite parent) {
        super(name, labelText, parent);

        fVariableName = variableName;
        fVariableDescription = variableDescription;
    }

    // ------------------------------------------------------------------------

    /**
     * Load the value from the VariablesPlugin.
     */
    @Override
    protected void doLoad() {

        if (getTextControl() != null) {
            String value = EclipseUtils.getVariableValue(fVariableName);
            if (value == null || value.isEmpty()) {
                value = getPreferenceStore().getString(getPreferenceName());
                if (Activator.getInstance().isDebugging()) {
                    System.out.println("StringVariableFieldEditor.doLoad() got \"" + value + "\"");
                }
                setPresentsDefaultValue(false);
            }
            getTextControl().setText(value);
            oldValue = value;
        }
    }

    /**
     * Store the value back to the VariablesPlugin.
     */
    @Override
    protected void doStore() {

        // Store the value as a variable, to be used during substitutions.
        String value = getTextControl().getText();
        EclipseUtils.setVariableValue(fVariableName, fVariableDescription, value);

        // Also store the value in the persistent store.
        super.doStore();
    }

    // ------------------------------------------------------------------------
}