| /** |
| * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany) |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Florian Pirchner - Initial implementation |
| */ |
| package org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| |
| import org.eclipse.emf.common.util.EList; |
| import org.eclipse.osbp.ecview.core.common.editpart.IElementEditpart; |
| import org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart; |
| import org.eclipse.osbp.ecview.core.common.editpart.ILayoutEditpart; |
| import org.eclipse.osbp.ecview.core.common.model.core.YAlignment; |
| import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddable; |
| import org.eclipse.osbp.ecview.core.extension.model.extension.YHorizontalLayout; |
| import org.eclipse.osbp.ecview.core.extension.model.extension.YHorizontalLayoutCellStyle; |
| import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.IConstants; |
| import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractLayoutPresenter; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.vaadin.server.Sizeable.Unit; |
| import com.vaadin.ui.Alignment; |
| import com.vaadin.ui.Component; |
| import com.vaadin.ui.ComponentContainer; |
| |
| import fi.jasoft.dragdroplayouts.DDHorizontalLayout; |
| |
| // TODO: Auto-generated Javadoc |
| /** |
| * This presenter is responsible to render a text field on the given layout. |
| */ |
| public class HorizontalLayoutPresentation extends |
| AbstractLayoutPresenter<ComponentContainer> { |
| |
| /** The Constant LOGGER. */ |
| private static final Logger LOGGER = LoggerFactory |
| .getLogger(HorizontalLayoutPresentation.class); |
| |
| /** The horizontal layout. */ |
| private DDHorizontalLayout horizontalLayout; |
| |
| /** The model access. */ |
| private ModelAccess modelAccess; |
| |
| /** |
| * The constructor. |
| * |
| * @param editpart |
| * The editpart of that editpart. |
| */ |
| public HorizontalLayoutPresentation(IElementEditpart editpart) { |
| super((ILayoutEditpart) editpart); |
| this.modelAccess = new ModelAccess( |
| (YHorizontalLayout) editpart.getModel()); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractVaadinWidgetPresenter#doUpdateLocale(java.util.Locale) |
| */ |
| @Override |
| protected void doUpdateLocale(Locale locale) { |
| // no need to set the locale to the ui elements. Is handled by vaadin |
| // internally. |
| |
| // update the captions |
| applyCaptions(); |
| } |
| |
| /** |
| * Applies the labels to the widgets. |
| */ |
| protected void applyCaptions() { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractLayoutPresenter#updateCellStyle(org.eclipse.osbp.ecview.core.common.model.core.YEmbeddable) |
| */ |
| public void updateCellStyle(YEmbeddable child) { |
| // refresh the whole ui |
| refreshUI(); |
| } |
| |
| /** |
| * Is called to refresh the UI. The element will be removed from the layout |
| * and added to it again afterwards. |
| */ |
| protected void refreshUI() { |
| horizontalLayout.removeAllComponents(); |
| |
| // create a map containing the style for the embeddable |
| // |
| Map<YEmbeddable, YHorizontalLayoutCellStyle> yStyles = new HashMap<YEmbeddable, YHorizontalLayoutCellStyle>(); |
| for (YHorizontalLayoutCellStyle style : modelAccess.getCellStyles()) { |
| if (yStyles.containsKey(style.getTarget())) { |
| LOGGER.warn("Multiple style for element {}", style.getTarget()); |
| } |
| yStyles.put(style.getTarget(), style); |
| } |
| |
| // iterate all elements and build the child element |
| // |
| List<Cell> cells = new ArrayList<Cell>(); |
| for (IEmbeddableEditpart child : getChildren()) { |
| YEmbeddable yChild = (YEmbeddable) child.getModel(); |
| cells.add(addChild(child, yStyles.get(yChild))); |
| } |
| |
| for (Cell cell : cells) { |
| if (cell.isExpandHorizontal()) { |
| horizontalLayout.setExpandRatio(cell.getComponent(), 1.0f); |
| } |
| } |
| |
| // if (!modelAccess.isFillHorizontal()) { |
| // fillerLayout = new CssLayout(); |
| // fillerLayout.setSizeFull(); |
| // fillerLayout.addStyleName(CSS_CLASS_COMPRESSOR); |
| // horizontalLayout.addComponent(fillerLayout); |
| // horizontalLayout.setExpandRatio(fillerLayout, 1.0f); |
| // } else { |
| // horizontalLayout.setWidth("100%"); |
| // } |
| // |
| // horizontalLayout.setHeight("100%"); |
| |
| } |
| |
| /** |
| * Is called to create the child component and apply layouting defaults to |
| * it. |
| * |
| * @param editpart |
| * the editpart |
| * @param yStyle |
| * the y style |
| * @return the cell |
| */ |
| protected Cell addChild(IEmbeddableEditpart editpart, |
| YHorizontalLayoutCellStyle yStyle) { |
| |
| Component child = (Component) editpart.render(horizontalLayout); |
| |
| // calculate and apply the alignment to be used |
| // |
| YAlignment yAlignment = yStyle != null && yStyle.getAlignment() != null ? yStyle |
| .getAlignment() : YAlignment.TOP_LEFT; |
| |
| horizontalLayout.addComponent(child); |
| applyAlignment(child, yAlignment); |
| |
| return new Cell(child, yAlignment); |
| } |
| |
| /** |
| * Sets the alignment to the component. |
| * |
| * @param child |
| * the child |
| * @param yAlignment |
| * the y alignment |
| */ |
| protected void applyAlignment(Component child, YAlignment yAlignment) { |
| |
| if (yAlignment != null) { |
| child.setSizeUndefined(); |
| switch (yAlignment) { |
| case BOTTOM_CENTER: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.BOTTOM_CENTER); |
| break; |
| case BOTTOM_FILL: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.BOTTOM_LEFT); |
| child.setWidth("100%"); |
| break; |
| case BOTTOM_LEFT: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.BOTTOM_LEFT); |
| break; |
| case BOTTOM_RIGHT: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.BOTTOM_RIGHT); |
| break; |
| case MIDDLE_CENTER: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.MIDDLE_CENTER); |
| break; |
| case MIDDLE_FILL: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.MIDDLE_LEFT); |
| child.setWidth("100%"); |
| break; |
| case MIDDLE_LEFT: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.MIDDLE_LEFT); |
| break; |
| case MIDDLE_RIGHT: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.MIDDLE_RIGHT); |
| break; |
| case TOP_CENTER: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.TOP_CENTER); |
| break; |
| case TOP_FILL: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.TOP_LEFT); |
| child.setWidth("100%"); |
| break; |
| case TOP_LEFT: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.TOP_LEFT); |
| break; |
| case TOP_RIGHT: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.TOP_RIGHT); |
| break; |
| case FILL_CENTER: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.TOP_CENTER); |
| child.setHeight("100%"); |
| break; |
| case FILL_FILL: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.TOP_LEFT); |
| if (child.getWidth() == -1 |
| || child.getWidthUnits() == Unit.PERCENTAGE) |
| child.setWidth("100%"); |
| if (child.getHeight() == -1 |
| || child.getHeightUnits() == Unit.PERCENTAGE) |
| child.setHeight("100%"); |
| break; |
| case FILL_LEFT: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.TOP_LEFT); |
| child.setHeight("100%"); |
| break; |
| case FILL_RIGHT: |
| horizontalLayout.setComponentAlignment(child, |
| Alignment.TOP_RIGHT); |
| child.setHeight("100%"); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractVaadinWidgetPresenter#doCreateWidget(java.lang.Object) |
| */ |
| @Override |
| public ComponentContainer doCreateWidget(Object parent) { |
| if (horizontalLayout == null) { |
| |
| horizontalLayout = new DDHorizontalLayout(); |
| setupComponent(horizontalLayout, getCastedModel()); |
| |
| associateWidget(horizontalLayout, modelAccess.yLayout); |
| |
| if (modelAccess.isCssIdValid()) { |
| horizontalLayout.setId(modelAccess.getCssID()); |
| } else { |
| horizontalLayout.setId(getEditpart().getId()); |
| } |
| |
| if (modelAccess.isMargin()) { |
| horizontalLayout.addStyleName(IConstants.CSS_CLASS_MARGIN); |
| horizontalLayout.setMargin(true); |
| } |
| |
| if (!modelAccess.isSpacing()) { |
| horizontalLayout.setSpacing(false); |
| } else { |
| horizontalLayout.addStyleName(IConstants.CSS_CLASS_SPACING); |
| horizontalLayout.setSpacing(true); |
| } |
| |
| if (modelAccess.isCssClassValid()) { |
| horizontalLayout.addStyleName(modelAccess.getCssClass()); |
| } else { |
| horizontalLayout.addStyleName(CSS_CLASS_CONTROL); |
| } |
| horizontalLayout |
| .addStyleName(IConstants.CSS_CLASS_HORIZONTALLAYOUT); |
| |
| // creates the binding for the field |
| createBindings(modelAccess.yLayout, horizontalLayout, null); |
| |
| // initialize all children |
| initializeChildren(); |
| |
| // and now render children |
| renderChildren(false); |
| } |
| |
| return horizontalLayout; |
| } |
| |
| /** |
| * Adds the children to the superclass and prevents rendering. |
| */ |
| private void initializeChildren() { |
| setRenderLock(true); |
| try { |
| for (IEmbeddableEditpart editPart : getEditpart().getElements()) { |
| super.add(editPart); |
| } |
| } finally { |
| setRenderLock(false); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.ecview.core.common.presentation.IWidgetPresentation#getWidget() |
| */ |
| @Override |
| public ComponentContainer getWidget() { |
| return horizontalLayout; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.ecview.core.common.presentation.IWidgetPresentation#isRendered() |
| */ |
| @Override |
| public boolean isRendered() { |
| return horizontalLayout != null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractLayoutPresenter#internalDispose() |
| */ |
| @Override |
| protected void internalDispose() { |
| try { |
| unrender(); |
| } finally { |
| super.internalDispose(); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractVaadinWidgetPresenter#doUnrender() |
| */ |
| @Override |
| public void doUnrender() { |
| if (horizontalLayout != null) { |
| |
| // unbind all active bindings |
| unbind(); |
| |
| // remove assocations |
| unassociateWidget(horizontalLayout); |
| |
| // unrender the children |
| unrenderChildren(); |
| |
| horizontalLayout.removeAllComponents(); |
| horizontalLayout = null; |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractLayoutPresenter#internalAdd(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart) |
| */ |
| @Override |
| protected void internalAdd(IEmbeddableEditpart editpart) { |
| YEmbeddable yChild = (YEmbeddable) editpart.getModel(); |
| addChild(editpart, modelAccess.getCellStyle(yChild)); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractLayoutPresenter#internalRemove(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart) |
| */ |
| @Override |
| protected void internalRemove(IEmbeddableEditpart child) { |
| if (horizontalLayout != null && child.isRendered()) { |
| // will happen during disposal since children already disposed. |
| horizontalLayout.removeComponent((Component) child.getWidget()); |
| } |
| |
| child.unrender(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractLayoutPresenter#internalInsert(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart, int) |
| */ |
| @Override |
| protected void internalInsert(IEmbeddableEditpart editpart, int index) { |
| refreshUI(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractLayoutPresenter#internalMove(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart, int, int) |
| */ |
| @Override |
| protected void internalMove(IEmbeddableEditpart editpart, int oldIndex, |
| int newIndex) { |
| refreshUI(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.ecview.core.common.presentation.ILayoutPresentation#renderChildren(boolean) |
| */ |
| @Override |
| public void renderChildren(boolean force) { |
| if (force) { |
| unrenderChildren(); |
| } |
| |
| refreshUI(); |
| } |
| |
| /** |
| * Will unrender all children. |
| */ |
| protected void unrenderChildren() { |
| for (IEmbeddableEditpart editpart : getChildren()) { |
| if (editpart.isRendered()) { |
| // TODO Pirchner - remove undrendered from componentLayout |
| editpart.unrender(); |
| } |
| } |
| } |
| |
| /** |
| * An internal helper class. |
| */ |
| private static class ModelAccess { |
| |
| /** The y layout. */ |
| private final YHorizontalLayout yLayout; |
| |
| /** |
| * Instantiates a new model access. |
| * |
| * @param yLayout |
| * the y layout |
| */ |
| public ModelAccess(YHorizontalLayout yLayout) { |
| super(); |
| this.yLayout = yLayout; |
| } |
| |
| /** |
| * Gets the css class. |
| * |
| * @return the css class |
| * @see org.eclipse.osbp.ecview.core.ui.core.model.core.YCssAble#getCssClass() |
| */ |
| public String getCssClass() { |
| return yLayout.getCssClass(); |
| } |
| |
| /** |
| * Returns true, if the css class is not null and not empty. |
| * |
| * @return true, if is css class valid |
| */ |
| public boolean isCssClassValid() { |
| return getCssClass() != null && !getCssClass().equals(""); |
| } |
| |
| /** |
| * Checks if is spacing. |
| * |
| * @return true, if is spacing |
| * @see org.eclipse.osbp.ecview.core.ui.core.model.extension.YHorizontalLayout#isSpacing() |
| */ |
| public boolean isSpacing() { |
| return yLayout.isSpacing(); |
| } |
| |
| /** |
| * Gets the css id. |
| * |
| * @return the css id |
| * @see org.eclipse.osbp.ecview.core.ui.core.model.core.YCssAble#getCssID() |
| */ |
| public String getCssID() { |
| return yLayout.getCssID(); |
| } |
| |
| /** |
| * Returns true, if the css id is not null and not empty. |
| * |
| * @return true, if is css id valid |
| */ |
| public boolean isCssIdValid() { |
| return getCssID() != null && !getCssID().equals(""); |
| } |
| |
| /** |
| * Checks if is margin. |
| * |
| * @return true, if is margin |
| * @see org.eclipse.osbp.ecview.core.ui.core.model.extension.YHorizontalLayout#isMargin() |
| */ |
| public boolean isMargin() { |
| return yLayout.isMargin(); |
| } |
| |
| /** |
| * Gets the cell styles. |
| * |
| * @return the cell styles |
| * @see org.eclipse.osbp.ecview.core.ui.core.model.extension.YHorizontalLayout#getCellStyles() |
| */ |
| public EList<YHorizontalLayoutCellStyle> getCellStyles() { |
| return yLayout.getCellStyles(); |
| } |
| |
| /** |
| * Gets the cell style. |
| * |
| * @param element |
| * the element |
| * @return the cell style |
| */ |
| public YHorizontalLayoutCellStyle getCellStyle(YEmbeddable element) { |
| return yLayout.getCellStyle(element); |
| } |
| |
| } |
| |
| /** |
| * The Class Cell. |
| */ |
| public static class Cell { |
| |
| /** The component. */ |
| private final Component component; |
| |
| /** The alignment. */ |
| private final YAlignment alignment; |
| |
| /** |
| * Instantiates a new cell. |
| * |
| * @param component |
| * the component |
| * @param alignment |
| * the alignment |
| */ |
| public Cell(Component component, YAlignment alignment) { |
| super(); |
| this.component = component; |
| this.alignment = alignment; |
| } |
| |
| /** |
| * Gets the component. |
| * |
| * @return the component |
| */ |
| protected Component getComponent() { |
| return component; |
| } |
| |
| /** |
| * Gets the alignment. |
| * |
| * @return the alignment |
| */ |
| protected YAlignment getAlignment() { |
| return alignment; |
| } |
| |
| /** |
| * Checks if is expand vertical. |
| * |
| * @return true, if is expand vertical |
| */ |
| protected boolean isExpandVertical() { |
| switch (alignment) { |
| case FILL_CENTER: |
| case FILL_FILL: |
| case FILL_LEFT: |
| case FILL_RIGHT: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| /** |
| * Checks if is expand horizontal. |
| * |
| * @return true, if is expand horizontal |
| */ |
| protected boolean isExpandHorizontal() { |
| switch (alignment) { |
| case BOTTOM_FILL: |
| case FILL_FILL: |
| case MIDDLE_FILL: |
| case TOP_FILL: |
| return true; |
| default: |
| return false; |
| } |
| } |
| } |
| } |