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A Material Design look and feel for GWT Applications

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/*
 * #%L
 * GwtMaterial
 * %%
 * Copyright (C) 2015 - 2017 GwtMaterialDesign
 * %%
 * Licensed 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.
 * #L%
 */
package gwt.material.design.client.base.mixin;

import com.google.gwt.user.client.ui.Widget;
import gwt.material.design.client.base.HasTooltip;
import gwt.material.design.client.base.MaterialWidget;
import gwt.material.design.client.constants.Position;
import gwt.material.design.client.ui.MaterialTooltip;

/**
 * Mixin for the {@link MaterialTooltip} component.
 *
 * @author gilberto-torrezan
 * @see HasTooltip
 * @see MaterialWidget
 */
public class TooltipMixin extends AbstractMixin implements HasTooltip {

    protected MaterialTooltip tooltip;

    public TooltipMixin(H uiObject) {
        super(uiObject);
    }

    @Override
    public void setUiObject(H uiObject) {
        super.setUiObject(uiObject);

        if (tooltip != null) {
            tooltip.setWidget(uiObject);
        } else if (uiObject.isAttached()) {
            initialize();
        }
    }

    protected void initialize() {
        if (tooltip == null) {
            tooltip = new MaterialTooltip(uiObject);
        }
    }

    @Override
    public String getTooltip() {
        return tooltip == null ? null : tooltip.getText();
    }

    @Override
    public void setTooltip(String text) {
        initialize();
        tooltip.setText(text);
    }

    @Override
    public Position getTooltipPosition() {
        return tooltip == null ? null : tooltip.getPosition();
    }

    @Override
    public void setTooltipPosition(Position position) {
        initialize();
        tooltip.setPosition(position);
    }

    @Override
    public int getTooltipDelayMs() {
        return tooltip == null ? 0 : tooltip.getDelayMs();
    }

    @Override
    public void setTooltipDelayMs(int delayMs) {
        initialize();
        tooltip.setDelayMs(delayMs);
    }

    @Override
    public void setTooltipHTML(String html) {
        initialize();
        tooltip.setHtml(html);
    }

    @Override
    public String getTooltipHTML() {
        return tooltip.getHtml();
    }
}