Java tutorial
/* * Copyright (C) 2015 PRIS Quentin * * This program 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 2 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package com.playonlinux.ui.impl.javafx.mainwindow.center; import com.playonlinux.common.api.services.RemoteAvailableInstallers; import com.playonlinux.common.dto.ui.CenterCategoryDTO; import com.playonlinux.common.dto.ui.CenterItemDTO; import com.playonlinux.ui.impl.javafx.common.SimpleIconListWidget; import com.playonlinux.ui.impl.javafx.mainwindow.*; import javafx.application.Platform; import javafx.geometry.Pos; import javafx.scene.control.*; import javafx.scene.image.Image; import javafx.scene.image.ImageView; import javafx.scene.layout.HBox; import javafx.scene.layout.VBox; import javafx.scene.text.TextAlignment; import org.apache.commons.lang.StringUtils; import java.util.List; import java.util.Observable; import java.util.Observer; import static com.playonlinux.domain.Localisation.translate; public class ViewApps extends HBox implements Observer { private VBox failurePanel; private Button retryButton; private List<CenterCategoryDTO> categories; private List<CenterItemDTO> centerItems; private final SimpleIconListWidget availableInstallerListWidget; private final EventHandlerCenter eventHandlerCenter; private LeftSideBar leftContent; private String selectedCategory; private TextField searchBar; private HBox progressIndicatorPanel; public ViewApps(MainWindow parent) { eventHandlerCenter = new EventHandlerCenter(); this.getStyleClass().add("mainWindowScene"); availableInstallerListWidget = new SimpleIconListWidget(); availableInstallerListWidget.getStyleClass().add("rightPane"); leftContent = new LeftSideBar(); this.initWait(); this.initFailure(); this.drawSideBar(); this.showWait(); } private void initFailure() { failurePanel = new VBox(); failurePanel.getStyleClass().add("rightPane"); failurePanel.setSpacing(10); failurePanel.setAlignment(Pos.CENTER); Label failureNotificationLbl = new Label(); failureNotificationLbl.setText(translate( "Connecting to ${application.name} failed.\n" + "Please check your connection and try again.")); failureNotificationLbl.setTextAlignment(TextAlignment.CENTER); ImageView retryImage = new ImageView(new Image(getClass().getResourceAsStream("refresh.png"))); retryImage.setFitWidth(16); retryImage.setFitHeight(16); retryButton = new Button(translate("Retry"), retryImage); failurePanel.getChildren().addAll(failureNotificationLbl, retryButton); } private void initWait() { ProgressIndicator progressIndicator = new ProgressIndicator(); progressIndicator.setPrefWidth(64); progressIndicator.setPrefHeight(64); progressIndicatorPanel = new HBox(); progressIndicatorPanel.getStyleClass().add("rightPane"); progressIndicatorPanel.getChildren().add(progressIndicator); progressIndicatorPanel.setAlignment(Pos.CENTER); } private void drawSideBar() { this.getChildren().add(leftContent); this.drawSideBarContent(); } private void removeRightItems() { this.getChildren().removeAll(availableInstallerListWidget, progressIndicatorPanel, failurePanel); } private void showContent() { this.removeRightItems(); this.getChildren().add(availableInstallerListWidget); this.addApplicationsToList(); } private void showWait() { this.removeRightItems(); this.getChildren().add(progressIndicatorPanel); } private void showFailure() { this.removeRightItems(); this.getChildren().add(failurePanel); } private void addApplicationsToList() { String searchFilter = searchBar.getText(); availableInstallerListWidget.clear(); if (centerItems != null) { if (!StringUtils.isBlank(searchFilter)) { for (CenterItemDTO centerItem : this.centerItems) { if (centerItem.getName().toLowerCase().contains(searchFilter.toLowerCase())) { availableInstallerListWidget.addItem(centerItem.getName()); } } } else { for (CenterItemDTO centerItem : this.centerItems) { if (centerItem.getCategoryName().equals(this.selectedCategory)) { availableInstallerListWidget.addItem(centerItem.getName()); } } } } } private void drawSideBarContent() { leftContent.getChildren().clear(); searchBar = new TextField(); searchBar.setOnKeyReleased(event -> addApplicationsToList()); leftContent.getChildren().add(searchBar); if (categories != null && categories.size() > 0) { leftContent.getChildren().addAll(new LeftSpacer(), new LeftBarTitle("Category")); for (CenterCategoryDTO category : categories) { LeftButton categoryButton = new LeftButton(category.getIconName(), category.getName()); leftContent.getChildren().add(categoryButton); categoryButton.setOnMouseClicked(event -> { selectedCategory = categoryButton.getName(); clearSearch(); addApplicationsToList(); }); } } CheckBox testingCheck = new CheckBox(translate("Testing")); CheckBox noCdNeededCheck = new CheckBox(translate("No CD needed")); CheckBox commercialCheck = new CheckBox(translate("Commercial")); leftContent.getChildren().addAll(new LeftSpacer(), new LeftBarTitle("Filters"), testingCheck, noCdNeededCheck, commercialCheck); } public void setUpEvents() { eventHandlerCenter.getRemoteAvailableInstallers().addObserver(this); retryButton.setOnMouseClicked(event -> this.eventHandlerCenter.updateAvailableInstallers()); } @Override public void update(Observable o, Object arg) { RemoteAvailableInstallers remoteAvailableInstallers = (RemoteAvailableInstallers) o; Platform.runLater(() -> update(remoteAvailableInstallers)); } public void update(RemoteAvailableInstallers remoteAvailableInstallers) { if (remoteAvailableInstallers.isUpdating()) { this.showWait(); } else if (remoteAvailableInstallers.hasFailed()) { this.showFailure(); } else { this.showContent(); } categories = remoteAvailableInstallers.getAllCategories(); centerItems = remoteAvailableInstallers.getAllCenterItems(); this.drawSideBarContent(); this.addApplicationsToList(); } public void clearSearch() { searchBar.clear(); } }