com.servoy.j2db.server.headlessclient.dataui.ReadOnlyAndEnableTestAttributeModifier.java Source code

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Here is the source code for com.servoy.j2db.server.headlessclient.dataui.ReadOnlyAndEnableTestAttributeModifier.java

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/*
 This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2010 Servoy BV
    
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU Affero General Public License as published by the Free
 Software Foundation; either version 3 of the License, or (at your option) any
 later version.
    
 This program is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
    
 You should have received a copy of the GNU Affero General Public License along
 with this program; if not, see http://www.gnu.org/licenses or write to the Free
 Software Foundation,Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 */
package com.servoy.j2db.server.headlessclient.dataui;

import org.apache.wicket.Component;
import org.apache.wicket.behavior.AbstractBehavior;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;

import com.servoy.j2db.scripting.IScriptableProvider;
import com.servoy.j2db.ui.runtime.IRuntimeComponent;
import com.servoy.j2db.ui.runtime.IRuntimeInputComponent;

/**
 * Attribute modifier that checks if the component is enabled and editable else it will disable itself.
 * 
 * @author jcompagner
 *
 */
@SuppressWarnings("nls")
class ReadOnlyAndEnableTestAttributeModifier extends AbstractBehavior {
    private static final long serialVersionUID = 1L;

    /** The attribute */
    private final String attribute;

    /** The value to set */
    private final IModel<CharSequence> model;

    /**
     * @param eventExecutor
     * @param attribute
     * @param value
     */
    ReadOnlyAndEnableTestAttributeModifier(String attribute, final CharSequence value) {
        if (attribute == null) {
            throw new IllegalArgumentException("Argument [attr] cannot be null");
        }
        if (value == null) {
            throw new IllegalArgumentException("Argument [value] cannot be null");
        }
        this.attribute = attribute;
        this.model = new AbstractReadOnlyModel<CharSequence>() {

            @Override
            public CharSequence getObject() {
                return value;
            }

        };
    }

    ReadOnlyAndEnableTestAttributeModifier(String attribute, final IModel<CharSequence> value) {
        if (attribute == null) {
            throw new IllegalArgumentException("Argument [attr] cannot be null");
        }
        if (value == null) {
            throw new IllegalArgumentException("Argument [value] cannot be null");
        }
        this.attribute = attribute;
        this.model = value;
    }

    /**
     * @see com.servoy.j2db.server.headlessclient.dataui.FindModeDisabledSimpleAttributeModifier#isEnabled(org.apache.wicket.Component)
     */
    @Override
    public boolean isEnabled(Component component) {
        if (super.isEnabled(component)) {
            Object scriptable = component;
            if (component instanceof IScriptableProvider)
                scriptable = ((IScriptableProvider) component).getScriptObject();
            if (scriptable instanceof IRuntimeComponent && !((IRuntimeComponent) scriptable).isEnabled())
                return false;
            if (scriptable instanceof IRuntimeInputComponent && !((IRuntimeInputComponent) scriptable).isEditable())
                return false;
        }
        return true;
    }

    /**
     * @see org.apache.wicket.behavior.AbstractBehavior#onComponentTag(org.apache.wicket.Component,
     *      org.apache.wicket.markup.ComponentTag)
     */
    @Override
    public void onComponentTag(final Component component, final ComponentTag tag) {
        if (isEnabled(component)) {
            tag.getAttributes().put(attribute, model.getObject());
        }
    }

}