Java tutorial
/** * This file is part of mycollab-web. * * mycollab-web 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. * * mycollab-web 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 mycollab-web. If not, see <http://www.gnu.org/licenses/>. */ package com.esofthead.mycollab.vaadin.ui; import com.esofthead.mycollab.common.i18n.GenericI18Enum; import com.esofthead.mycollab.module.project.CurrentProjectVariables; import com.esofthead.mycollab.vaadin.AppContext; import com.vaadin.server.FontAwesome; import com.vaadin.shared.ui.MarginInfo; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Component; import com.vaadin.ui.HorizontalLayout; import org.vaadin.maddon.layouts.MHorizontalLayout; import org.vaadin.maddon.layouts.MVerticalLayout; import org.vaadin.peter.buttongroup.ButtonGroup; import java.io.Serializable; /** * * @author MyCollab Ltd. * @since 2.0 * */ public class ProjectPreviewFormControlsGenerator<T> implements Serializable { private static final long serialVersionUID = 1L; public static final int ADD_BTN_PRESENTED = 2; public static final int EDIT_BTN_PRESENTED = 4; public static final int DELETE_BTN_PRESENTED = 8; public static final int CLONE_BTN_PRESENTED = 16; public static final int ASSIGN_BTN_PRESENTED = 32; public static final int NAVIGATOR_BTN_PRESENTED = 64; private final AdvancedPreviewBeanForm<T> previewForm; private Button addBtn; private Button editBtn; private Button deleteBtn; private Button cloneBtn; private Button assignBtn; private SplitButton optionBtn; private MVerticalLayout popupButtonsControl; private MHorizontalLayout editButtons; private MHorizontalLayout layout; public ProjectPreviewFormControlsGenerator(final AdvancedPreviewBeanForm<T> editForm) { this.previewForm = editForm; layout = new MHorizontalLayout().withStyleName("control-buttons"); layout.setSizeUndefined(); popupButtonsControl = new MVerticalLayout().withMargin(new MarginInfo(false, true, false, true)); editButtons = new MHorizontalLayout(); editButtons.addStyleName("edit-btn"); } public HorizontalLayout createButtonControls(int buttonEnableFlags, final String permissionItem) { Button optionParentBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_OPTION), new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(ClickEvent event) { optionBtn.setPopupVisible(true); } }); optionBtn = new SplitButton(optionParentBtn); optionBtn.setWidthUndefined(); optionBtn.addStyleName(UIConstants.THEME_GRAY_LINK); if ((buttonEnableFlags & ADD_BTN_PRESENTED) == ADD_BTN_PRESENTED) { addBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_ADD), new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { optionBtn.setPopupVisible(false); final T item = previewForm.getBean(); previewForm.fireAddForm(item); } }); addBtn.setIcon(FontAwesome.PLUS); addBtn.setStyleName(UIConstants.THEME_GREEN_LINK); editButtons.addComponent(addBtn); editButtons.setComponentAlignment(addBtn, Alignment.MIDDLE_CENTER); } if ((buttonEnableFlags & EDIT_BTN_PRESENTED) == EDIT_BTN_PRESENTED) { editBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_EDIT), new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { optionBtn.setPopupVisible(false); final T item = previewForm.getBean(); previewForm.fireEditForm(item); } }); editBtn.setIcon(FontAwesome.EDIT); editBtn.setStyleName(UIConstants.THEME_GREEN_LINK); editButtons.addComponent(editBtn); editButtons.setComponentAlignment(editBtn, Alignment.MIDDLE_CENTER); } if ((buttonEnableFlags & DELETE_BTN_PRESENTED) == DELETE_BTN_PRESENTED) { deleteBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_DELETE), new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final T item = previewForm.getBean(); previewForm.fireDeleteForm(item); } }); deleteBtn.setIcon(FontAwesome.TRASH_O); deleteBtn.setStyleName(UIConstants.THEME_RED_LINK); editButtons.addComponent(deleteBtn); editButtons.setComponentAlignment(deleteBtn, Alignment.MIDDLE_CENTER); } if ((buttonEnableFlags & ASSIGN_BTN_PRESENTED) == ASSIGN_BTN_PRESENTED) { assignBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_ASSIGN), new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final T item = previewForm.getBean(); previewForm.fireAssignForm(item); } }); assignBtn.setIcon(FontAwesome.SHARE_SQUARE_O); assignBtn.setStyleName(UIConstants.THEME_GREEN_LINK); editButtons.addComponent(assignBtn, 0); } if ((buttonEnableFlags & CLONE_BTN_PRESENTED) == CLONE_BTN_PRESENTED) { cloneBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_CLONE), new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { optionBtn.setPopupVisible(false); final T item = previewForm.getBean(); previewForm.fireCloneForm(item); } }); cloneBtn.setIcon(FontAwesome.ROAD); cloneBtn.setStyleName("link"); popupButtonsControl.addComponent(cloneBtn); } if (popupButtonsControl.getComponentCount() > 0) { optionBtn.setContent(popupButtonsControl); editButtons.addComponent(optionBtn); editButtons.setComponentAlignment(optionBtn, Alignment.MIDDLE_CENTER); } layout.addComponent(editButtons); layout.setComponentAlignment(editButtons, Alignment.MIDDLE_CENTER); layout.setExpandRatio(editButtons, 1.0f); if ((buttonEnableFlags & NAVIGATOR_BTN_PRESENTED) == NAVIGATOR_BTN_PRESENTED) { ButtonGroup navigationBtns = new ButtonGroup(); navigationBtns.setStyleName("navigation-btns"); Button previousItem = new Button("<", new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final T item = previewForm.getBean(); previewForm.fireGotoPrevious(item); } }); previousItem.setStyleName(UIConstants.THEME_GREEN_LINK); previousItem.setDescription(AppContext.getMessage(GenericI18Enum.TOOLTIP_SHOW_PREVIOUS_ITEM)); navigationBtns.addButton(previousItem); Button nextItemBtn = new Button(">", new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final T item = previewForm.getBean(); previewForm.fireGotoNextItem(item); } }); nextItemBtn.setStyleName(UIConstants.THEME_GREEN_LINK); nextItemBtn.setDescription(AppContext.getMessage(GenericI18Enum.TOOLTIP_SHOW_NEXT_ITEM)); navigationBtns.addButton(nextItemBtn); layout.addComponent(navigationBtns); layout.setComponentAlignment(navigationBtns, Alignment.MIDDLE_RIGHT); } if (permissionItem != null) { final boolean canWrite = CurrentProjectVariables.canWrite(permissionItem); final boolean canAccess = CurrentProjectVariables.canAccess(permissionItem); if (assignBtn != null) { assignBtn.setEnabled(canWrite); } if (addBtn != null) { addBtn.setEnabled(canWrite); } if (editBtn != null) { editBtn.setEnabled(canWrite); } if (cloneBtn != null) { cloneBtn.setEnabled(canWrite); } if (deleteBtn != null) { deleteBtn.setEnabled(canAccess); } } return layout; } /** * * @param comp */ public void insertToControlBlock(Component comp) { editButtons.addComponent(comp, 0); } public void addOptionButton(Button button) { button.setStyleName(UIConstants.THEME_LINK); button.addClickListener(new Button.ClickListener() { private static final long serialVersionUID = 2710916670115028630L; @Override public void buttonClick(ClickEvent event) { optionBtn.setPopupVisible(false); } }); popupButtonsControl.addComponent(button); } public HorizontalLayout createButtonControls(final String permissionItem) { return createButtonControls(ADD_BTN_PRESENTED | EDIT_BTN_PRESENTED | DELETE_BTN_PRESENTED | CLONE_BTN_PRESENTED | NAVIGATOR_BTN_PRESENTED, permissionItem); } }