Java tutorial
/** * openkm, Open Document Management System (http://www.openkm.com) * Copyright (c) 2006-2013 Paco Avila & Josep Llort * * No bytes were intentionally harmed during the development of this application. * * 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.ikon.frontend.client.widget.mainmenu; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import com.google.gwt.core.client.GWT; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.dom.client.KeyCodes; import com.google.gwt.event.dom.client.KeyUpEvent; import com.google.gwt.event.dom.client.KeyUpHandler; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.DialogBox; import com.google.gwt.user.client.ui.FlexTable; import com.google.gwt.user.client.ui.HTML; import com.google.gwt.user.client.ui.HTMLTable.CellFormatter; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.ScrollPanel; import com.google.gwt.user.client.ui.TextBox; import com.google.gwt.user.client.ui.VerticalPanel; import com.ikon.frontend.client.Main; import com.ikon.frontend.client.bean.GWTBookmark; import com.ikon.frontend.client.service.OKMBookmarkService; import com.ikon.frontend.client.service.OKMBookmarkServiceAsync; import com.ikon.frontend.client.util.Util; /** * ManageBookmarkPopup * * @author jllort * */ public class ManageBookmarkPopup extends DialogBox { private final OKMBookmarkServiceAsync bookmarkService = (OKMBookmarkServiceAsync) GWT .create(OKMBookmarkService.class); private VerticalPanel vPanel; private HorizontalPanel hPanel; private Button cancelButton; private Button deleteButton; private Button updateButton; private FlexTable table; private FlexTable tableBookmark; private ScrollPanel scrollPanel; private ScrollPanel scrollPanelBookmark; private TextBox textBox; private Map<String, GWTBookmark> bookmarkMap = new HashMap<String, GWTBookmark>(); private int selectedRow = -1; private int columns = 3; /** * ManageBookmarkPopup */ public ManageBookmarkPopup() { // Establishes auto-close when click outside super(false, true); vPanel = new VerticalPanel(); textBox = new TextBox(); textBox.setStyleName("okm-Input"); textBox.setVisibleLength(40); textBox.setMaxLength(90); textBox.addKeyUpHandler(new KeyUpHandler() { @Override public void onKeyUp(KeyUpEvent event) { if ((char) KeyCodes.KEY_ENTER == event.getNativeKeyCode()) { if (textBox.getText().length() > 0) { rename(Integer.parseInt(table.getText(selectedRow, 2)), textBox.getText()); } } else if ((char) KeyCodes.KEY_ESCAPE == event.getNativeKeyCode()) { tableBookmark.setHTML(0, 1, table.getText(selectedRow, 1)); deleteButton.setEnabled(true); updateButton.setEnabled(true); } } }); cancelButton = new Button(Main.i18n("button.close"), new ClickHandler() { @Override public void onClick(ClickEvent event) { Main.get().mainPanel.topPanel.mainMenu.bookmark.getAll(); // Refreshing menu after edit bookmarks hide(); } }); cancelButton.setStyleName("okm-NoButton"); deleteButton = new Button(Main.i18n("button.delete"), new ClickHandler() { @Override public void onClick(ClickEvent event) { if (selectedRow >= 0) { remove(Integer.parseInt(table.getText(selectedRow, 2))); } } }); deleteButton.setStyleName("okm-DeleteButton"); deleteButton.setEnabled(false); updateButton = new Button(Main.i18n("button.update"), new ClickHandler() { @Override public void onClick(ClickEvent event) { if (selectedRow >= 0) { textBox.setText(table.getHTML(selectedRow, 1)); tableBookmark.setWidget(0, 1, textBox); updateButton.setEnabled(false); deleteButton.setEnabled(false); textBox.setFocus(true); } } }); updateButton.setStyleName("okm-YesButton"); updateButton.setEnabled(false); table = new FlexTable(); table.setBorderWidth(0); table.setCellSpacing(0); table.setCellSpacing(0); table.setWidth("100%"); table.addStyleName("okm-DisableSelect"); table.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { // Mark selected row or orders rows if header row (0) is clicked // And row must be other than the selected one int row = table.getCellForEvent(event).getRowIndex(); if (row != selectedRow) { styleRow(selectedRow, false); styleRow(row, true); selectedRow = row; if (bookmarkMap.containsKey(table.getText(row, 2))) { GWTBookmark bookmark = (GWTBookmark) bookmarkMap.get(table.getText(row, 2)); tableBookmark.setHTML(0, 1, bookmark.getName()); tableBookmark.setHTML(0, 2, table.getText(row, 2)); tableBookmark.getFlexCellFormatter().setVisible(0, 2, false); tableBookmark.setHTML(1, 1, bookmark.getPath()); if (bookmark.getType().equals(Bookmark.BOOKMARK_DOCUMENT)) { tableBookmark.setHTML(2, 1, Main.i18n("bookmark.type.document")); } else if (bookmark.getType().equals(Bookmark.BOOKMARK_FOLDER)) { tableBookmark.setHTML(2, 1, Main.i18n("bookmark.type.folder")); } } deleteButton.setEnabled(true); updateButton.setEnabled(true); } } }); scrollPanel = new ScrollPanel(table); scrollPanel.setSize("380", "150"); scrollPanel.setStyleName("okm-Bookmark-Panel"); // Selected Bookmark data tableBookmark = new FlexTable(); tableBookmark.setBorderWidth(0); tableBookmark.setCellSpacing(0); tableBookmark.setCellSpacing(0); tableBookmark.setWidth("100%"); tableBookmark.setHTML(0, 0, "<b>" + Main.i18n("bookmark.name") + "</b>"); tableBookmark.setHTML(0, 1, ""); tableBookmark.setHTML(1, 0, "<b>" + Main.i18n("bookmark.path") + "</b>"); tableBookmark.setHTML(1, 1, ""); tableBookmark.setHTML(2, 0, "<b>" + Main.i18n("bookmark.type") + "</b>"); tableBookmark.setHTML(2, 1, ""); tableBookmark.getCellFormatter().setWidth(0, 0, "15%"); tableBookmark.getCellFormatter().setWidth(0, 1, "15%"); tableBookmark.getCellFormatter().setWidth(0, 2, "70%"); // Set no wrap CellFormatter cellFormatter = tableBookmark.getCellFormatter(); for (int i = 0; i < columns; i++) { cellFormatter.setWordWrap(0, i, false); cellFormatter.setWordWrap(1, i, false); cellFormatter.setWordWrap(2, i, false); } scrollPanelBookmark = new ScrollPanel(tableBookmark); scrollPanelBookmark.setWidth("380"); scrollPanelBookmark.setStyleName("okm-Bookmark-Panel"); scrollPanelBookmark.setAlwaysShowScrollBars(false); hPanel = new HorizontalPanel(); hPanel.add(deleteButton); hPanel.add(new HTML(" ")); hPanel.add(updateButton); vPanel.add(new HTML("<br>")); vPanel.add(scrollPanelBookmark); vPanel.add(new HTML("<br>")); vPanel.add(hPanel); vPanel.add(new HTML("<br>")); vPanel.add(scrollPanel); vPanel.add(new HTML("<br>")); vPanel.add(cancelButton); vPanel.add(new HTML("<br>")); vPanel.setCellHorizontalAlignment(scrollPanelBookmark, HorizontalPanel.ALIGN_CENTER); vPanel.setCellHorizontalAlignment(hPanel, HorizontalPanel.ALIGN_CENTER); vPanel.setCellHorizontalAlignment(scrollPanel, HorizontalPanel.ALIGN_CENTER); vPanel.setCellHorizontalAlignment(cancelButton, HorizontalPanel.ALIGN_CENTER); vPanel.setWidth("100%"); center(); hide(); setWidget(vPanel); } /** * Callback get all */ final AsyncCallback<List<GWTBookmark>> callbackGetAll = new AsyncCallback<List<GWTBookmark>>() { public void onSuccess(List<GWTBookmark> result) { int row = table.getRowCount(); bookmarkMap = new HashMap<String, GWTBookmark>(); for (Iterator<GWTBookmark> it = result.iterator(); it.hasNext();) { GWTBookmark bookmark = (GWTBookmark) it.next(); bookmarkMap.put(String.valueOf(bookmark.getId()), bookmark); String icon = ""; if (bookmark.getType().equals(Bookmark.BOOKMARK_DOCUMENT)) { icon = "img/icon/menu/document_bookmark.gif"; } else if (bookmark.getType().equals(Bookmark.BOOKMARK_FOLDER)) { icon = "img/icon/menu/folder_bookmark.gif"; } table.setHTML(row, 0, Util.imageHTML(icon)); table.setHTML(row, 1, bookmark.getName()); table.setHTML(row, 2, String.valueOf(bookmark.getId())); table.getRowFormatter().setStyleName(row, "okm-Table-Row"); table.getCellFormatter().setWidth(row, 0, "25"); table.getCellFormatter().setVisible(row, 2, false); setRowWordWarp(row, 2, false); if (row == 0) { tableBookmark.setHTML(0, 1, bookmark.getName()); tableBookmark.setHTML(0, 2, String.valueOf(bookmark.getId())); tableBookmark.setHTML(1, 1, bookmark.getPath()); tableBookmark.setHTML(2, 1, bookmark.getType()); if (bookmark.getType().equals(Bookmark.BOOKMARK_DOCUMENT)) { tableBookmark.setHTML(2, 1, Main.i18n("bookmark.type.document")); } else if (bookmark.getType().equals(Bookmark.BOOKMARK_FOLDER)) { tableBookmark.setHTML(2, 1, Main.i18n("bookmark.type.folder")); } tableBookmark.getCellFormatter().setVisible(0, 2, false); deleteButton.setEnabled(true); updateButton.setEnabled(true); styleRow(row, true); selectedRow = row; } row++; } } public void onFailure(Throwable caught) { Main.get().showError("getAll", caught); } }; /** * Callback remove */ final AsyncCallback<Object> callbackRemove = new AsyncCallback<Object>() { public void onSuccess(Object result) { if (selectedRow >= 0) { bookmarkMap.remove(table.getText(selectedRow, 2)); table.removeRow(selectedRow); if (table.getRowCount() > 0) { if (selectedRow != 0) { selectedRow--; styleRow(selectedRow, true); } else { styleRow(selectedRow, true); } GWTBookmark bookmark = (GWTBookmark) bookmarkMap.get(table.getText(selectedRow, 2)); tableBookmark.setHTML(0, 1, bookmark.getName()); tableBookmark.setHTML(0, 2, String.valueOf(bookmark.getId())); tableBookmark.setHTML(1, 1, bookmark.getPath()); tableBookmark.setHTML(2, 1, bookmark.getType()); if (bookmark.getType().equals(Bookmark.BOOKMARK_DOCUMENT)) { tableBookmark.setHTML(2, 1, Main.i18n("bookmark.type.document")); } else if (bookmark.getType().equals(Bookmark.BOOKMARK_FOLDER)) { tableBookmark.setHTML(2, 1, Main.i18n("bookmark.type.folder")); } } else { deleteButton.setEnabled(false); updateButton.setEnabled(false); selectedRow = -1; } } } public void onFailure(Throwable caught) { Main.get().showError("remove", caught); } }; /** * Callback rename */ final AsyncCallback<GWTBookmark> callbackRename = new AsyncCallback<GWTBookmark>() { public void onSuccess(GWTBookmark result) { if (selectedRow >= 0) { bookmarkMap.remove(table.getText(selectedRow, 2)); bookmarkMap.put(table.getText(selectedRow, 2), result); tableBookmark.setHTML(0, 1, result.getName()); table.setHTML(selectedRow, 1, result.getName()); } deleteButton.setEnabled(true); updateButton.setEnabled(true); } public void onFailure(Throwable caught) { deleteButton.setEnabled(true); updateButton.setEnabled(true); Main.get().showError("rename", caught); } }; /** * Gets the bookmark list from the server * */ public void getAll() { bookmarkService.getAll(callbackGetAll); } /** * Remove bookmark * * @param id */ private void remove(int id) { bookmarkService.remove(id, callbackRemove); } /** * Rename bookmark * * @param id * @param newName */ private void rename(int id, String newName) { bookmarkService.rename(id, newName, callbackRename); } /** * Removes all rows */ private void removeAll() { bookmarkMap = new HashMap<String, GWTBookmark>(); while (table.getRowCount() > 0) { table.removeRow(0); } } /** * Show the popup */ public void showPopup() { setText(Main.i18n("bookmark.edit.label")); tableBookmark.setHTML(0, 1, ""); tableBookmark.setHTML(1, 1, ""); tableBookmark.setHTML(2, 1, ""); deleteButton.setEnabled(false); updateButton.setEnabled(false); selectedRow = -1; removeAll(); getAll(); center(); } /** * Change the style row selected or unselected * * @param row The row afected * @param selected Indicates selected unselected row */ private void styleRow(int row, boolean selected) { if (row >= 0) { if (selected) { table.getRowFormatter().addStyleName(row, "okm-Security-SelectedRow"); } else { table.getRowFormatter().removeStyleName(row, "okm-Security-SelectedRow"); } } } /** * Set the WordWarp for all the row cells * * @param row The row cell * @param columns Number of row columns * @param warp */ private void setRowWordWarp(int row, int columns, boolean warp) { CellFormatter cellFormatter = table.getCellFormatter(); for (int i = 0; i < columns; i++) { cellFormatter.setWordWrap(row, i, false); } } /** * Refreshing language */ public void langRefresh() { setText(Main.i18n("bookmark.edit.label")); tableBookmark.setHTML(0, 0, "<b>" + Main.i18n("bookmark.name") + "</b>"); tableBookmark.setHTML(1, 0, "<b>" + Main.i18n("bookmark.path") + "</b>"); tableBookmark.setHTML(2, 0, "<b>" + Main.i18n("bookmark.type") + "</b>"); cancelButton.setHTML(Main.i18n("button.close")); deleteButton.setHTML(Main.i18n("button.delete")); updateButton.setHTML(Main.i18n("button.update")); } }