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 java.util.Iterator; import cc.kune.common.client.tooltip.Tooltip; import cc.kune.common.shared.res.KuneIcon; import cc.kune.common.shared.utils.TextUtils; import com.google.gwt.core.client.GWT; import com.google.gwt.event.dom.client.HasClickHandlers; import com.google.gwt.i18n.client.HasDirection.Direction; import com.google.gwt.resources.client.ImageResource; import com.google.gwt.uibinder.client.UiBinder; import com.google.gwt.uibinder.client.UiField; import com.google.gwt.user.client.ui.Composite; import com.google.gwt.user.client.ui.FlowPanel; import com.google.gwt.user.client.ui.FocusPanel; import com.google.gwt.user.client.ui.HasDirectionalText; import com.google.gwt.user.client.ui.HasWidgets; import com.google.gwt.user.client.ui.Image; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.Widget; // TODO: Auto-generated Javadoc /** * The Class IconLabel. * * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado) */ public class IconLabel extends Composite implements HasWidgets, HasDirectionalText { /** * The Interface IconTitleUiBinder. * * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado) */ interface IconTitleUiBinder extends UiBinder<Widget, IconLabel> { } /** The Constant DEF. */ private static final String DEF = "16px"; /** The ui binder. */ private static IconTitleUiBinder uiBinder = GWT.create(IconTitleUiBinder.class); /** The flow. */ @UiField FlowPanel flow; /** The icon font left. */ @UiField Label iconFontLeft; /** The icon font right. */ @UiField Label iconFontRight; /** The icon left. */ @UiField Image iconLeft; /** The icon right. */ @UiField Image iconRight; /** The label. */ @UiField Label label; /** The self. */ @UiField FocusPanel self; /** * Instantiates a new icon label. */ public IconLabel() { this(""); } /** * Instantiates a new icon label. * * @param imgRes * the img res * @param text * the text */ public IconLabel(final ImageResource imgRes, final String text) { this(text); if (imgRes != null) { setLeftIconResourceImpl(imgRes); } } /** * Instantiates a new icon label. * * @param text * the text */ public IconLabel(final String text) { initWidget(uiBinder.createAndBindUi(this)); setIconClear(iconLeft); setIconClear(iconRight); iconFontLeft.setVisible(false); iconFontRight.setVisible(false); setIconFloats(); iconRight.setUrl(GWT.getModuleBaseURL() + "clear.cache.gif"); label.setText(text); label.addStyleName("k-space-nowrap"); label.setStylePrimaryName("k-iconlabel"); setTextStyle(text); setStyleFromDirection(Direction.LTR); } /* * (non-Javadoc) * * @see * com.google.gwt.user.client.ui.HasWidgets#add(com.google.gwt.user.client * .ui.Widget) */ @Override public void add(final Widget w) { flow.add(w); } /** * Adds the right icon style. * * @param style * the style */ public void addRightIconStyle(final String style) { iconRight.addStyleName(style); } /** * Adds the text style name. * * @param style * the style */ public void addTextStyleName(final String style) { label.addStyleName(style); } /* * (non-Javadoc) * * @see com.google.gwt.user.client.ui.HasWidgets#clear() */ @Override public void clear() { flow.clear(); } /** * Common style. * * @param icon * the icon * @param imgCss * the img css */ private void commonStyle(final Image icon, final String imgCss) { setIconClear(icon); icon.setStyleName(imgCss); icon.addStyleName("oc-ico-pad"); } /** * Gets the float from direction. * * @param direction * the direction * @return the float from direction */ private String getFloatFromDirection(final Direction direction) { return direction.equals(Direction.LTR) || direction.equals(Direction.DEFAULT) ? "k-fl" : "k-fr"; } /** * Gets the focus. * * @return the focus */ public HasClickHandlers getFocus() { return self; } /* * (non-Javadoc) * * @see com.google.gwt.user.client.ui.HasText#getText() */ @Override public String getText() { return label.getText(); } /* * (non-Javadoc) * * @see com.google.gwt.user.client.ui.HasDirectionalText#getTextDirection() */ @Override public Direction getTextDirection() { return label.getTextDirection(); } /* * (non-Javadoc) * * @see com.google.gwt.user.client.ui.HasWidgets#iterator() */ @Override public Iterator<Widget> iterator() { return flow.iterator(); } /** * Opossite. * * @param direction * the direction * @return the direction */ private Direction opossite(final Direction direction) { return direction.equals(Direction.LTR) || direction.equals(Direction.DEFAULT) ? Direction.RTL : Direction.LTR; } /* * (non-Javadoc) * * @see * com.google.gwt.user.client.ui.HasWidgets#remove(com.google.gwt.user.client * .ui.Widget) */ @Override public boolean remove(final Widget w) { return flow.remove(w); } /** * Sets the icon clear. * * @param icon * the new icon clear */ private void setIconClear(final Image icon) { icon.setUrl(GWT.getModuleBaseURL() + "clear.cache.gif"); } /** * Sets the icon floats. */ private void setIconFloats() { // setting floats again, because with setResource we lost them final Direction currentDirection = getTextDirection(); setIconRTL(iconLeft, currentDirection); setIconRTL(iconRight, currentDirection); setIconRTL(iconFontLeft, currentDirection); setIconRTL(iconFontRight, currentDirection); } /** * Sets the icon rtl. * * @param widget * the widget * @param direction * the direction */ private void setIconRTL(final Widget widget, final Direction direction) { widget.removeStyleName(getFloatFromDirection(opossite(direction))); widget.addStyleName(getFloatFromDirection(direction)); } /** * Sets the id. * * @param id * the new id */ public void setId(final String id) { self.ensureDebugId(id); } /** * Sets the left icon. * * @param imgCss * the new left icon */ public void setLeftIcon(final String imgCss) { commonStyle(iconLeft, imgCss); iconLeft.addStyleName("k-iconlabel-left"); iconLeft.addStyleName("k-tcell"); iconLeft.setVisible(true); } /** * Sets the left icon background. * * @param backgroundColor * the new left icon background */ public void setLeftIconBackground(final String backgroundColor) { iconLeft.getElement().getStyle().setBackgroundColor(backgroundColor); } /** * Sets the left icon font. * * @param icon * the new left icon font */ public void setLeftIconFont(final KuneIcon icon) { iconFontLeft.setText(icon.getCharacter().toString()); iconFontLeft.setVisible(true); } /** * Sets the left icon resource. * * @param res * the new left icon resource */ public void setLeftIconResource(final ImageResource res) { setLeftIconResourceImpl(res); } /** * Sets the left icon resource impl. * * @param res * the new left icon resource impl */ private void setLeftIconResourceImpl(final ImageResource res) { iconLeft.setResource(res); iconLeft.addStyleName("k-iconlabel-left"); iconLeft.addStyleName("k-tcell"); setIconFloats(); iconLeft.setVisible(true); } /** * Sets the left icon url. * * @param url * the new left icon url */ public void setLeftIconUrl(final String url) { iconLeft.setUrl(url); iconLeft.setSize(DEF, DEF); iconLeft.addStyleName("k-iconlabel-left"); iconLeft.addStyleName("k-tcell"); setIconFloats(); iconLeft.setVisible(true); } /** * Sets the right icon. * * @param imgCss * the new right icon */ public void setRightIcon(final String imgCss) { commonStyle(iconRight, imgCss); iconRight.addStyleName("k-iconlabel-right"); iconRight.addStyleName("k-tcell"); setIconFloats(); iconRight.setVisible(true); } /** * Sets the right icon background. * * @param backgroundColor * the new right icon background */ public void setRightIconBackground(final String backgroundColor) { iconRight.getElement().getStyle().setBackgroundColor(backgroundColor); } /** * Sets the right icon font. * * @param icon * the new right icon font */ public void setRightIconFont(final KuneIcon icon) { iconFontRight.setText(icon.getCharacter().toString()); iconFontRight.setVisible(true); } /** * Sets the right icon resource. * * @param res * the new right icon resource */ public void setRightIconResource(final ImageResource res) { iconRight.setResource(res); iconRight.addStyleName("k-iconlabel-right"); iconRight.addStyleName("k-tcell"); setIconFloats(); iconRight.setVisible(true); } /** * Sets the right icon url. * * @param url * the new right icon url */ public void setRightIconUrl(final String url) { iconRight.setUrl(url); iconRight.setSize(DEF, DEF); iconRight.addStyleName("k-iconlabel-right"); iconRight.addStyleName("k-tcell"); setIconFloats(); iconRight.setVisible(true); } /** * Sets the style from direction. * * @param direction * the new style from direction */ private void setStyleFromDirection(final Direction direction) { setStyleName(getFloatFromDirection(direction)); } /* * (non-Javadoc) * * @see com.google.gwt.user.client.ui.UIObject#setStyleName(java.lang.String) */ @Override public void setStyleName(final String style) { flow.setStyleName(style); } /* * (non-Javadoc) * * @see com.google.gwt.user.client.ui.HasText#setText(java.lang.String) */ @Override public void setText(final String text) { label.setText(text, Direction.LTR); setTextStyle(text); setStyleFromDirection(Direction.LTR); } /* * (non-Javadoc) * * @see * com.google.gwt.user.client.ui.HasDirectionalText#setText(java.lang.String, * com.google.gwt.i18n.client.HasDirection.Direction) */ @Override public void setText(final String text, final Direction dir) { label.setText(text, dir); setTextStyle(text); setStyleFromDirection(Direction.LTR); } /** * Sets the text style. * * @param text * the new text style */ private void setTextStyle(final String text) { label.setStyleDependentName("notext", TextUtils.empty(text)); label.setStyleDependentName("text", !TextUtils.empty(text)); } /** * Sets the tooltip. * * @param text * the new tooltip */ public void setTooltip(final String text) { Tooltip.to(label, text); } /** * Sets the word wrap. * * @param wordWrap * the new word wrap */ public void setWordWrap(final boolean wordWrap) { label.setWordWrap(wordWrap); } }