Java tutorial
/* * * Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under * one or more contributor license agreements (see COPYRIGHT for details). * The CA licenses this file to you under the GNU Affero General Public * License version 3, (the "License"); you may not use this file except in * compliance with the License. This file is part of kune. * * 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/>. * */ package cc.kune.common.client.ui; import cc.kune.common.client.log.Log; import cc.kune.common.client.tooltip.Tooltip; import cc.kune.common.shared.utils.TextUtils; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.dom.client.DoubleClickEvent; import com.google.gwt.event.dom.client.DoubleClickHandler; import com.google.gwt.event.dom.client.MouseOutEvent; import com.google.gwt.event.dom.client.MouseOutHandler; import com.google.gwt.event.dom.client.MouseOverEvent; import com.google.gwt.event.dom.client.MouseOverHandler; import com.google.gwt.resources.client.ImageResource; import com.google.gwt.user.client.ui.FocusWidget; import com.google.gwt.user.client.ui.Image; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.VerticalPanel; // TODO: Auto-generated Javadoc /** * BasicThumb.java * * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado) */ public class BasicThumb extends FocusWidget { /** The Constant NOSIZE. */ private static final int NOSIZE = -1; /** The image. */ private final Image image; /** The label. */ private final Label label; /** The on over label. */ private boolean onOverLabel; /** The panel. */ private final VerticalPanel panel; /** * Instantiates a new basic thumb. * * @param imageRef * the image ref * @param imgSize * the img size * @param text * the text * @param textMaxLenght * the text max lenght * @param crop * the crop */ public BasicThumb(final Object imageRef, final int imgSize, final String text, final int textMaxLenght, final boolean crop) { this(imageRef, imgSize, text, textMaxLenght, crop, null); } /** * Instantiates a new basic thumb. * * @param imageRef * This can be a ImageResource or a String Url * @param imgSize * the img size * @param text * the text * @param textMaxLenght * the text max lenght * @param crop * the crop * @param clickHandler * the click handler */ public BasicThumb(final Object imageRef, final int imgSize, final String text, final int textMaxLenght, final boolean crop, final ClickHandler clickHandler) { super(); onOverLabel = false; panel = new VerticalPanel(); if (imageRef instanceof String) { final String imageUrl = (String) imageRef; if (imgSize == NOSIZE) { image = new Image(imageUrl); } else { if (crop) { image = new Image(imageUrl, 0, 0, imgSize, imgSize); } else { image = new Image(imageUrl); image.setPixelSize(imgSize, imgSize); } } } else if (imageRef instanceof ImageResource) { image = new Image((ImageResource) imageRef); image.setPixelSize(imgSize, imgSize); } else { // This should not happen image = new Image(); image.setPixelSize(imgSize, imgSize); Log.info("Unrecognized icon of BasicThumb: " + imageRef); } final String title = textMaxLenght == NOSIZE ? text : TextUtils.ellipsis(text, textMaxLenght); label = new Label(title); panel.add(image); panel.add(label); panel.addStyleName("k-basic-thumb"); panel.addStyleName("kune-Margin-Mini-trbl"); panel.addStyleName("k-pointer"); panel.addStyleName("k-floatleft"); panel.setCellHorizontalAlignment(label, VerticalPanel.ALIGN_CENTER); if (clickHandler != null) { addClickHandlerImpl(clickHandler); } image.addMouseOverHandler(new MouseOverHandler() { @Override public void onMouseOver(final MouseOverEvent event) { if (onOverLabel) { label.setVisible(true); } } }); image.addMouseOutHandler(new MouseOutHandler() { @Override public void onMouseOut(final MouseOutEvent event) { if (onOverLabel) { label.setVisible(false); } } }); setElement(panel.getElement()); } /** * Instantiates a new basic thumb. * * @param imageRef * the image ref * @param thumText * the thum text * @param clickHandler * the click handler */ public BasicThumb(final Object imageRef, final String thumText, final ClickHandler clickHandler) { this(imageRef, NOSIZE, thumText, NOSIZE, false, clickHandler); } /** * Instantiates a new basic thumb. * * @param imageRef * the image ref * @param text * the text * @param textMaxLenght * the text max lenght * @param clickHandler * the click handler */ public BasicThumb(final Object imageRef, final String text, final int textMaxLenght, final ClickHandler clickHandler) { this(imageRef, NOSIZE, text, textMaxLenght, false, clickHandler); } /** * Adds the click handler impl. * * @param clickHandler * the click handler */ private void addClickHandlerImpl(final ClickHandler clickHandler) { panel.addDomHandler(clickHandler, ClickEvent.getType()); } /** * Adds the double click handler impl. * * @param clickHandler * the click handler */ private void addDoubleClickHandlerImpl(final DoubleClickHandler clickHandler) { panel.addDomHandler(clickHandler, DoubleClickEvent.getType()); } /** * Gets the image. * * @return the image */ public Image getImage() { return image; } /** * Hide tooltip. */ public void hideTooltip() { Tooltip.getTip().hide(); } /** * Sets the label visible. * * @param visible * the new label visible */ public void setLabelVisible(final boolean visible) { label.setVisible(visible); } /** * Sets the on over label. * * @param onOverLabel * the new on over label */ public void setOnOverLabel(final boolean onOverLabel) { this.onOverLabel = onOverLabel; } /** * Sets the text. * * @param text * the new text */ public void setText(final String text) { label.setText(text); } /** * Sets the thumb url. * * @param url * the new thumb url */ public void setThumbUrl(final String url) { image.setUrl(url); } /** * Sets the tooltip. * * @param tip * the new tooltip */ public void setTooltip(final String tip) { Tooltip.to(this, tip); } /** * Sets the tooltip. * * @param tipTitle * the tip title * @param tip * the tip */ public void setTooltip(final String tipTitle, final String tip) { Tooltip.to(this, tip); } }