com.googlecode.wicket.kendo.ui.widget.tooltip.TooltipBehavior.java Source code

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Here is the source code for com.googlecode.wicket.kendo.ui.widget.tooltip.TooltipBehavior.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.googlecode.wicket.kendo.ui.widget.tooltip;

import org.apache.wicket.Component;
import org.apache.wicket.core.util.string.ComponentRenderer;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;

import com.googlecode.wicket.jquery.core.IJQueryWidget.JQueryWidget;
import com.googlecode.wicket.jquery.core.Options;
import com.googlecode.wicket.kendo.ui.KendoUIBehavior;

/**
 * Provides a {@value #METHOD} behavior
 *
 * @since 6.20.0
 */
public class TooltipBehavior extends KendoUIBehavior {
    private static final long serialVersionUID = 1L;
    public static final String METHOD = "kendoTooltip";

    /**
     * Gets a new model that represent the content from the tooltip rendering
     */
    private static IModel<String> asModel(final Component tooltip) {
        return new AbstractReadOnlyModel<String>() {

            private static final long serialVersionUID = 1L;

            @Override
            public String getObject() {
                return ComponentRenderer.renderComponent(tooltip).toString();
            }
        };
    }

    private final IModel<String> tooltip;

    /**
     * Constructor<br/>
     * The {@code title} attribute will serve as tooltip content
     */
    public TooltipBehavior() {
        this(new Options());
    }

    /**
     * Constructor<br/>
     * The {@code title} attribute will serve as tooltip content
     * 
     * @param options the {@link Options}
     */
    public TooltipBehavior(Options options) {
        this(new Model<String>(null), options);
    }

    /**
     * Constructor
     *
     * @param tooltip a component that should be used as a tooltip
     */
    public TooltipBehavior(final Component tooltip) {
        this(asModel(tooltip), new Options());
    }

    /**
     * Constructor
     *
     * @param tooltip a component that should be used as a tooltip
     * @param options the {@link Options}
     */
    public TooltipBehavior(final Component tooltip, Options options) {
        this(asModel(tooltip), options);
    }

    /**
     * Constructor
     *
     * @param tooltip a model providing the text that should be used as a tooltip
     */
    public TooltipBehavior(IModel<String> tooltip) {
        this(tooltip, new Options());
    }

    /**
     * Constructor
     *
     * @param tooltip a model providing the text that should be used as a tooltip
     * @param options the {@link Options}
     */
    public TooltipBehavior(IModel<String> tooltip, Options options) {
        super(null, METHOD, options);

        this.tooltip = tooltip;
    }

    @Override
    public void bind(Component component) {
        super.bind(component);

        // seems that kendo-ui tooltip only apply to the component it is bound to (applying to document doesn't have any effect)
        this.selector = JQueryWidget.getSelector(component);
    }

    @Override
    public void onConfigure(Component component) {
        super.onConfigure(component);

        String content = this.tooltip.getObject();

        if (content != null) {
            this.setOption("content", Options.asString(content));
        }
    }
}