Java tutorial
package com.constellio.app.ui.pages.management.updates; import static com.constellio.app.ui.i18n.i18n.$; import java.awt.*; import java.io.OutputStream; import java.util.List; import com.constellio.app.ui.framework.buttons.ConfirmDialogButton; import org.apache.commons.lang.StringUtils; import org.joda.time.LocalDate; import com.constellio.app.api.extensions.UpdateModeExtension.UpdateModeHandler; import com.constellio.app.entities.modules.ProgressInfo; import com.constellio.app.services.appManagement.AppManagementService.LicenseInfo; import com.constellio.app.services.recovery.UpdateRecoveryImpossibleCause; import com.constellio.app.ui.framework.buttons.LinkButton; import com.constellio.app.ui.framework.buttons.WindowButton; import com.constellio.app.ui.framework.buttons.WindowButton.WindowConfiguration; import com.constellio.app.ui.framework.components.LocalDateLabel; import com.constellio.app.ui.pages.base.BaseViewImpl; import com.constellio.app.ui.util.ComponentTreeUtils; import com.vaadin.event.dd.DragAndDropEvent; import com.vaadin.event.dd.DropHandler; import com.vaadin.event.dd.acceptcriteria.AcceptAll; import com.vaadin.event.dd.acceptcriteria.AcceptCriterion; import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent; import com.vaadin.server.ExternalResource; import com.vaadin.shared.ui.label.ContentMode; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.Component; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.Link; import com.vaadin.ui.TextArea; import com.vaadin.ui.UI; import com.vaadin.ui.Upload; import com.vaadin.ui.Upload.Receiver; import com.vaadin.ui.Upload.SucceededEvent; import com.vaadin.ui.Upload.SucceededListener; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.themes.ValoTheme; import org.vaadin.dialogs.ConfirmDialog; public class UpdateManagerViewImpl extends BaseViewImpl implements UpdateManagerView, DropHandler { private final UpdateManagerPresenter presenter; private UploadWaitWindow uploadWaitWindow; private VerticalLayout layout; private Component panel; private Button license; private Button standardUpdate; private Button alternateUpdate; private ConfirmDialogButton reindex; public UpdateManagerViewImpl() { presenter = new UpdateManagerPresenter(this); } @Override protected String getTitle() { return $("UpdateManagerViewImpl.viewTitle"); } @Override protected List<Button> buildActionMenuButtons(ViewChangeEvent event) { List<Button> buttons = super.buildActionMenuButtons(event); ConfirmDialogButton restart = new ConfirmDialogButton($("UpdateManagerViewImpl.restartButton")) { @Override protected String getConfirmDialogMessage() { return $("UpdateManagerViewImpl.restartwarning"); } @Override protected void confirmButtonClick(ConfirmDialog dialog) { presenter.restart(); } }; restart.setDialogMode(ConfirmDialogButton.DialogMode.WARNING); buttons.add(restart); reindex = new ConfirmDialogButton($("UpdateManagerViewImpl.restartAndReindexButton")) { @Override protected String getConfirmDialogMessage() { return $("UpdateManagerViewImpl.reindexwarning"); } @Override protected void confirmButtonClick(ConfirmDialog dialog) { presenter.restartAndReindex(); } }; reindex.setDialogMode(ConfirmDialogButton.DialogMode.WARNING); reindex.setEnabled(presenter.isRestartWithReindexButtonEnabled()); buttons.add(reindex); standardUpdate = new Button($("UpdateManagerViewImpl.automatic")); standardUpdate.addClickListener(new ClickListener() { @Override public void buttonClick(ClickEvent event) { presenter.standardUpdateRequested(); } }); buttons.add(standardUpdate); alternateUpdate = new Button($("UpdateManagerViewImpl." + presenter.getAlternateUpdateName())); alternateUpdate.addClickListener(new ClickListener() { @Override public void buttonClick(ClickEvent event) { presenter.alternateUpdateRequested(); } }); alternateUpdate.setVisible(presenter.isAlternateUpdateAvailable()); buttons.add(alternateUpdate); license = new Button($("UpdateManagerViewImpl.licenseButton")); license.addClickListener(new ClickListener() { @Override public void buttonClick(ClickEvent event) { presenter.licenseUpdateRequested(); } }); buttons.add(license); return buttons; } @Override protected Component buildMainComponent(ViewChangeEvent event) { layout = new VerticalLayout( buildInfoItem($("UpdateManagerViewImpl.version"), presenter.getCurrentVersion())); layout.setSpacing(true); layout.setWidth("100%"); LicenseInfo info = presenter.getLicenseInfo(); if (info != null) { layout.addComponents(buildInfoItem($("UpdateManagerViewImpl.clientName"), info.getClientName()), buildInfoItem($("UpdateManagerViewImpl.expirationDate"), info.getExpirationDate())); } Component messagePanel = buildMessagePanel(); layout.addComponent(messagePanel); panel = new VerticalLayout(); layout.addComponent(panel); layout.setSpacing(true); showStandardUpdatePanel(); return layout; } private Component buildMessagePanel() { VerticalLayout verticalLayout = new VerticalLayout(); UpdateRecoveryImpossibleCause cause = presenter.isUpdateWithRecoveryPossible(); if (cause != null) { verticalLayout.addComponent(new Label( "<p style=\"color:red\">" + $("UpdateManagerViewImpl." + cause) + "</p>", ContentMode.HTML)); } else { UpdateNotRecommendedReason updateNotRecommendedReason = presenter.getUpdateNotRecommendedReason(); if (updateNotRecommendedReason != null) { verticalLayout.addComponent(new Label("<p style=\"color:red\">" + $("UpdateManagerViewImpl." + updateNotRecommendedReason) + "</p>", ContentMode.HTML)); } } final String exceptionDuringLastUpdate = presenter.getExceptionDuringLastUpdate(); if (StringUtils.isNotBlank(exceptionDuringLastUpdate)) { verticalLayout.addComponent(new Label( "<p style=\"color:red\">" + $("UpdateManagerViewImpl.exceptionCausedByLastVersion") + "</p>", ContentMode.HTML)); WindowButton windowButton = new WindowButton($("details"), $("details"), WindowConfiguration.modalDialog("90%", "90%")) { @Override protected Component buildWindowContent() { TextArea textArea = new TextArea(); textArea.setSizeFull(); textArea.setValue(exceptionDuringLastUpdate); return textArea; } }; windowButton.addStyleName(ValoTheme.BUTTON_LINK); verticalLayout.addComponent(windowButton); verticalLayout.addComponent(new Label("<p style=\"color:red\">" + "" + "</p>", ContentMode.HTML)); } return verticalLayout; } @Override public void showStandardUpdatePanel() { Component updatePanel = presenter.isLicensedForAutomaticUpdate() ? buildAutomaticUpdateLayout() : buildUnlicensedLayout(); layout.replaceComponent(panel, updatePanel); license.setEnabled(true); standardUpdate.setEnabled(false); alternateUpdate.setEnabled(presenter.isUpdateEnabled()); panel = updatePanel; } @Override public void showAlternateUpdatePanel(UpdateModeHandler handler) { Component updatePanel = handler.buildUpdatePanel(); layout.replaceComponent(panel, updatePanel); license.setEnabled(true); reindex.setEnabled(presenter.isRestartWithReindexButtonEnabled()); standardUpdate.setEnabled(presenter.isUpdateEnabled()); alternateUpdate.setEnabled(false); panel = updatePanel; } @Override public void showLicenseUploadPanel() { Component licensePanel = buildLicenseUploadPanel(); layout.replaceComponent(panel, licensePanel); license.setEnabled(false); reindex.setEnabled(presenter.isRestartWithReindexButtonEnabled()); boolean uploadPossible = presenter.isUpdateEnabled(); standardUpdate.setEnabled(uploadPossible); alternateUpdate.setEnabled(uploadPossible); panel = licensePanel; } @Override public void showRestartRequiredPanel() { Component restartPanel = buildRestartRequiredPanel(); layout.replaceComponent(panel, restartPanel); license.setEnabled(false); reindex.setEnabled(presenter.isRestartWithReindexButtonEnabled()); standardUpdate.setEnabled(false); alternateUpdate.setEnabled(false); panel = restartPanel; } private Component buildInfoItem(String caption, Object value) { Label captionLabel = new Label(caption); captionLabel.addStyleName(ValoTheme.LABEL_BOLD); Label valueLabel = value instanceof LocalDate ? new LocalDateLabel((LocalDate) value) : new Label(value.toString()); HorizontalLayout layout = new HorizontalLayout(captionLabel, valueLabel); layout.setSpacing(true); return layout; } private Component buildAutomaticUpdateLayout() { return presenter.isAutomaticUpdateAvailable() ? buildAvailableUpdateLayout() : buildUpToDateUpdateLayout(); } private Component buildAvailableUpdateLayout() { Label message = new Label($("UpdateManagerViewImpl.updateAvailable", presenter.getUpdateVersion())); message.addStyleName(ValoTheme.LABEL_BOLD); Button update = new LinkButton($("UpdateManagerViewImpl.updateButton")) { @Override protected void buttonClick(ClickEvent event) { UI.getCurrent().access(new Thread(UpdateManagerViewImpl.class.getName() + "-updateFromServer") { @Override public void run() { presenter.updateFromServer(); } }); } }; update.setVisible(presenter.isUpdateEnabled()); HorizontalLayout updater = new HorizontalLayout(message, update); updater.setComponentAlignment(message, Alignment.MIDDLE_LEFT); updater.setComponentAlignment(update, Alignment.MIDDLE_LEFT); updater.setSpacing(true); Label changelog = new Label(presenter.getChangelog(), ContentMode.HTML); VerticalLayout layout = new VerticalLayout(updater, changelog); layout.setSpacing(true); layout.setWidth("100%"); return layout; } @Override public ProgressInfo openProgressPopup() { uploadWaitWindow = new UploadWaitWindow(); final ProgressInfo progressInfo = new ProgressInfo() { @Override public void setTask(String task) { uploadWaitWindow.setTask(task); } @Override public void setProgressMessage(String progressMessage) { uploadWaitWindow.setProgressMessage(progressMessage); } }; UI.getCurrent().addWindow(uploadWaitWindow); return progressInfo; } @Override public void closeProgressPopup() { uploadWaitWindow.close(); } private Component buildUpToDateUpdateLayout() { Label message = new Label($("UpdateManagerViewImpl.upToDate")); message.addStyleName(ValoTheme.LABEL_BOLD); return message; } private Component buildUnlicensedLayout() { Label message = new Label($("UpdateManagerViewImpl.unlicensed")); message.addStyleName(ValoTheme.LABEL_BOLD); Link request = new Link($("UpdateManagerViewImpl.requestLicense"), new ExternalResource("mailto:sales@constellio.com?Subject=Demande de license Constellio")); VerticalLayout layout = new VerticalLayout(message, request); layout.setSpacing(true); return layout; } private Component buildLicenseUploadPanel() { Upload upload = new Upload($("UpdateManagerViewImpl.uploadLicenseCaption"), new Receiver() { @Override public OutputStream receiveUpload(String filename, String mimeType) { return presenter.getLicenseOutputStream(); } }); upload.addSucceededListener(new SucceededListener() { @Override public void uploadSucceeded(SucceededEvent event) { presenter.licenseUploadSucceeded(); } }); upload.setButtonCaption($("UpdateManagerViewImpl.uploadLicense")); Button cancel = new LinkButton($("cancel")) { @Override protected void buttonClick(ClickEvent event) { presenter.licenseUploadCancelled(); } }; VerticalLayout layout = new VerticalLayout(upload, cancel); layout.setWidth("100%"); layout.setSpacing(true); return layout; } private Component buildRestartRequiredPanel() { return new Label("<p style=\"color:red\">" + $("UpdateManagerViewImpl.restart") + "</p>", ContentMode.HTML); } @Override public void drop(DragAndDropEvent event) { DropHandler childDropHandler = ComponentTreeUtils.getFirstChild((Component) panel, DropHandler.class); if (panel instanceof DropHandler) { ((DropHandler) panel).drop(event); } else if (childDropHandler != null) { childDropHandler.drop(event); } } @Override public AcceptCriterion getAcceptCriterion() { return AcceptAll.get(); } }