gwt.material.design.client.ui.MaterialSideNavMini Maven / Gradle / Ivy

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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.ui;

import gwt.material.design.client.base.AbstractSideNav;
import gwt.material.design.client.constants.SideNavType;

//@formatter:off

/**
 * SideNav (Mini) is an extension to {@link MaterialSideNav} that provides
 * mini variant / icon only sidenav. Also with this type, you can enable
 * expansion feature by setExpandable(true).
 * 
 * 
UiBinder Usage:
 *  * {@code
 * 
 *     
 *     
 * 
 * }
 * 
 *
 * @author kevzlou7979
 * @author Ben Dol
 * @see Material SideNav
 * @see Material Design Specification
 * @see Pattern
 * @see Pattern Expandable
 */
//@formatter:on
public class MaterialSideNavMini extends AbstractSideNav {

    private boolean overlay;
    private boolean expandOnClick = true;
    private boolean collapseOnClick = true;

    public MaterialSideNavMini() {
        super(SideNavType.MINI_WITH_EXPAND);
        setShowOnAttach(false);
    }

    @Override
    protected void setup() {
        applyBodyScroll();
        applyTransition(getElement());
        int originalWidth = getWidth();
        int miniWidth = 64;
        pushElement(getMain(), miniWidth);
        pushElementMargin(getFooter(), miniWidth);
        setWidth(miniWidth);

        registerHandler(addOpeningHandler(event -> {
            if (expandOnClick) expand(originalWidth);
        }));
        registerHandler(addClosingHandler(event -> {
            if (collapseOnClick) collapse(miniWidth);
        }));
    }

    protected void expand(int width) {
        addStyleName("expanded");
        setWidth(width);
        if (!isOverlay()) {
            pushElement(getMain(), width);
            pushElementMargin(getFooter(), width);
        }
    }

    protected void collapse(int width) {
        removeStyleName("expanded");
        setWidth(width);
        if (!isOverlay()) {
            pushElement(getMain(), width);
            pushElementMargin(getFooter(), width);
        }
    }

    public boolean isCollapseOnClick() {
        return collapseOnClick;
    }

    public void setCollapseOnClick(boolean collapseOnClick) {
        this.collapseOnClick = collapseOnClick;
    }

    public boolean isExpandOnClick() {
        return expandOnClick;
    }

    public void setExpandOnClick(boolean expandOnClick) {
        this.expandOnClick = expandOnClick;
    }

    public boolean isOverlay() {
        return overlay;
    }

    public void setOverlay(boolean overlay) {
        this.overlay = overlay;
    }
}