Java tutorial
/** * Copyright (c) 2010-2015 Dangelmayr IT GmbH. All rights reserved. * * This file is part of FXL GUI API. * * FXL GUI API is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * FXL GUI API 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with FXL GUI API. If not, see <http://www.gnu.org/licenses/>. */ package co.fxl.gui.gwt; import co.fxl.gui.api.IContainer; import co.fxl.gui.api.IDisplay; import co.fxl.gui.api.IElement; import co.fxl.gui.api.ILayout; import co.fxl.gui.api.IPanel; import co.fxl.gui.api.ISpaced.ISpacing; import com.google.gwt.dom.client.Style.Unit; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.client.ui.Panel; import com.google.gwt.user.client.ui.Widget; public abstract class GWTPanel<T extends Panel, R> extends GWTElement<T, R> implements IPanel<R>, WidgetParent { int innerSpace = 0; protected GWTPanel(GWTContainer<T> container) { super(container); } @Override void registerClickHandler() { container.widget.addDomHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { } }, ClickEvent.getType()); registration = container.widget.addHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { fireClickListenersSingleClick(event); } }, ClickEvent.getType()); } @SuppressWarnings("unchecked") @Override public R height(int height) { if (isUndefined()) return (R) this; // if (height >= 1) // container.widget.getElement().getStyle() // .setOverflow(Overflow.HIDDEN); return super.height(height); } @Override public ILayout layout() { return new GWTLayout(container); } @Override public IBorder border() { return new GWTWidgetBorder(container.widget); } @Override public IColor color() { GWTWidgetStyle style = new GWTWidgetStyle("background-color-", container.widget); return new GWTStyleColor(style) { @Override void setColor(String color, com.google.gwt.dom.client.Style stylable) { stylable.setBackgroundColor(color); } }; } @SuppressWarnings("unchecked") @Override public R clear() { container.widget.clear(); return (R) this; } @Override public IContainer add() { return new GWTContainer<Widget>(this); } @SuppressWarnings("unchecked") @Override public R add(IElement<?> element) { add((Widget) element.nativeElement()); return (R) this; } // public IContainer insert(int index) { // return new GWTContainer<Widget>(this, index); // } @Override public abstract void add(Widget widget); // void insert(Widget widget, int index) { // throw new UnsupportedOperationException(); // } @Override public void remove(Widget widget) { container.widget.remove(widget); } @Override public IDisplay display() { return GWTDisplay.instance; } public co.fxl.gui.api.ILinearPanel.ISpacing spacing() { return new ISpacing() { @Override public co.fxl.gui.api.ILinearPanel.ISpacing left(int pixel) { container.widget.getElement().getStyle().setPaddingLeft(pixel, Unit.PX); return this; } @Override public co.fxl.gui.api.ILinearPanel.ISpacing right(int pixel) { container.widget.getElement().getStyle().setPaddingRight(pixel, Unit.PX); return this; } @Override public co.fxl.gui.api.ILinearPanel.ISpacing top(int pixel) { container.widget.getElement().getStyle().setPaddingTop(pixel, Unit.PX); return this; } @Override public co.fxl.gui.api.ILinearPanel.ISpacing bottom(int pixel) { container.widget.getElement().getStyle().setPaddingBottom(pixel, Unit.PX); return this; } @Override public co.fxl.gui.api.ILinearPanel.ISpacing inner(int pixel) { innerSpace = pixel; return this; } @Override public ISpacing outer(int pixel) { return left(pixel).right(pixel).top(pixel).bottom(pixel); } }; } @Override public R addResizeListener(co.fxl.gui.api.IPanel.IResizeListener listener) { throw new UnsupportedOperationException(); } }