Java tutorial
/* This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2010 Servoy BV This program is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation; either version 3 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 Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program; if not, see http://www.gnu.org/licenses or write to the Free Software Foundation,Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 */ package com.servoy.j2db.server.headlessclient.dataui; import java.awt.Color; import java.awt.Cursor; import java.awt.Dimension; import java.awt.Font; import java.awt.Insets; import java.awt.Point; import java.awt.Rectangle; import java.io.IOException; import java.util.Locale; import javax.swing.border.Border; import org.apache.wicket.AttributeModifier; import org.apache.wicket.IResourceListener; import org.apache.wicket.Page; import org.apache.wicket.Request; import org.apache.wicket.RequestCycle; import org.apache.wicket.ResourceReference; import org.apache.wicket.ajax.IAjaxIndicatorAware; import org.apache.wicket.markup.ComponentTag; import org.apache.wicket.markup.MarkupStream; import org.apache.wicket.markup.html.form.SubmitLink; import org.apache.wicket.markup.html.internal.HtmlHeaderContainer; import org.apache.wicket.model.Model; import org.apache.wicket.util.convert.IConverter; import com.servoy.base.scripting.api.IJSEvent.EventType; import com.servoy.base.util.ITagResolver; import com.servoy.j2db.FormManager; import com.servoy.j2db.IApplication; import com.servoy.j2db.IFormUIInternal; import com.servoy.j2db.IMainContainer; import com.servoy.j2db.IScriptExecuter; import com.servoy.j2db.MediaURLStreamHandler; import com.servoy.j2db.persistence.ISupportTextSetup; import com.servoy.j2db.persistence.Media; import com.servoy.j2db.server.headlessclient.ByteArrayResource; import com.servoy.j2db.server.headlessclient.MainPage; import com.servoy.j2db.server.headlessclient.WebClientSession; import com.servoy.j2db.ui.IAnchoredComponent; import com.servoy.j2db.ui.IButton; import com.servoy.j2db.ui.IEventExecutor; import com.servoy.j2db.ui.IFieldComponent; import com.servoy.j2db.ui.ILabel; import com.servoy.j2db.ui.IProviderStylePropertyChanges; import com.servoy.j2db.ui.IStylePropertyChanges; import com.servoy.j2db.ui.ISupportOnRender; import com.servoy.j2db.ui.ISupportOnRenderCallback; import com.servoy.j2db.ui.ISupportSecuritySettings; import com.servoy.j2db.ui.ISupportSimulateBounds; import com.servoy.j2db.ui.ISupportSimulateBoundsProvider; import com.servoy.j2db.ui.ISupportWebBounds; import com.servoy.j2db.ui.scripting.AbstractRuntimeBaseComponent; import com.servoy.j2db.util.Debug; import com.servoy.j2db.util.HtmlUtils; import com.servoy.j2db.util.MimeTypes; import com.servoy.j2db.util.Text; import com.servoy.j2db.util.Utils; /** * Base class from labels with an action event. * * @author jcompagner, jblok */ public class WebBaseSubmitLink extends SubmitLink implements ILabel, IResourceListener, ILatestVersionResourceListener, IProviderStylePropertyChanges, ISupportSecuritySettings, IAjaxIndicatorAware, IDoubleClickListener, IRightClickListener, ISupportWebBounds, IButton, IImageDisplay, IAnchoredComponent, ISupportSimulateBoundsProvider, ISupportOnRender { private static final long serialVersionUID = 1L; private int halign; private int valign; private int mediaOptions; // private int rotation; // private boolean showFocus; private Cursor cursor; private Insets margin; private String inputId; protected MediaResource icon; private AttributeModifier enabledStyle; private Media media; // private Dimension mediaSize; private Media rolloverMedia; private String iconUrl; private ResourceReference iconReference; private ResourceReference rolloverIconReference; protected final IApplication application; private int anchors = 0; private String text_url; private String rolloverUrl; private final WebEventExecutor eventExecutor; private AttributeModifier rolloverBehavior; protected IFieldComponent labelForComponent; private final AbstractRuntimeBaseComponent<? extends ILabel> scriptable; public WebBaseSubmitLink(IApplication application, AbstractRuntimeBaseComponent<? extends ILabel> scriptable, String id) { super(id); this.application = application; halign = ISupportTextSetup.LEFT; // default horizontal align valign = ISupportTextSetup.CENTER; // default vertical align setEscapeModelStrings(false); add(StyleAttributeModifierModel.INSTANCE); add(TooltipAttributeModifier.INSTANCE); add(new StyleAppendingModifier(new Model<String>() { private static final long serialVersionUID = 1L; @Override public String getObject() { if (!isEnabled()) { return "cursor: default;"; //$NON-NLS-1$ } return null; } })); boolean useAJAX = Utils.getAsBoolean(application.getRuntimeProperties().get("useAJAX")); //$NON-NLS-1$ eventExecutor = new WebEventExecutor(this, useAJAX); setOutputMarkupPlaceholderTag(true); this.scriptable = scriptable; ((ChangesRecorder) scriptable.getChangesRecorder()).setDefaultBorderAndPadding(null, TemplateGenerator.DEFAULT_LABEL_PADDING); } public final AbstractRuntimeBaseComponent<? extends ILabel> getScriptObject() { return scriptable; } /* * (non-Javadoc) * * @see org.apache.wicket.Component#renderHead(org.apache.wicket.markup.html.internal.HtmlHeaderContainer) */ @SuppressWarnings("nls") @Override public void renderHead(HtmlHeaderContainer container) { super.renderHead(container); if (hasHtmlOrImage()) { container.getHeaderResponse().renderOnLoadJavascript( "Servoy.Utils.setLabelChildHeight('" + getMarkupId() + "', " + valign + ");"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ } } protected CharSequence getBodyText() { return StripHTMLTagsConverter .convertBodyText(this, getDefaultModelObjectAsString(), application.getFlattenedSolution()) .getBodyTxt(); } /** * @see org.apache.wicket.Component#getLocale() */ @Override public Locale getLocale() { return application.getLocale(); } /** * @see org.apache.wicket.ajax.IAjaxIndicatorAware#getAjaxIndicatorMarkupId() */ public String getAjaxIndicatorMarkupId() { return WebClientSession.get().hideLoadingIndicator() ? null : "indicator"; //$NON-NLS-1$ } /** * @see wicket.markup.html.form.Button#onSubmit() */ @Override public void onSubmit() { eventExecutor.onEvent(EventType.action, null, this, IEventExecutor.MODIFIERS_UNSPECIFIED); } /** * @see wicket.MarkupContainer#onRender(wicket.markup.MarkupStream) */ @Override protected void onRender(MarkupStream markupStream) { super.onRender(markupStream); scriptable.getChangesRecorder().setRendered(); } /** * @see wicket.MarkupContainer#onComponentTagBody(wicket.markup.MarkupStream, wicket.markup.ComponentTag) */ @Override protected void onComponentTagBody(MarkupStream markupStream, ComponentTag openTag) { instrumentAndReplaceBody(markupStream, openTag, getDefaultModelObjectAsString()); } /** * @see wicket.markup.html.form.FormComponent#getInputName() */ @Override public String getInputName() { if (inputId == null) { Page page = findPage(); if (page instanceof MainPage) { inputId = ((MainPage) page).nextInputNameId(); } else { return super.getInputName(); } } return inputId; } /** * @see wicket.IResourceListener#onResourceRequested() */ public void onResourceRequested() { String mediaName = RequestCycle.get().getRequest().getParameter("media"); //$NON-NLS-1$ if (mediaName != null) { Media m; try { m = application.getFlattenedSolution().getMedia(mediaName); byte[] bytes = m.getMediaData(); new ByteArrayResource(MimeTypes.getContentType(bytes), bytes, null).onResourceRequested(); } catch (Exception ex) { Debug.error("Error serving media: " + mediaName, ex); //$NON-NLS-1$ } } else if (getRequest().getParameter(StripHTMLTagsConverter.BLOB_LOADER_PARAM) != null) { String url = StripHTMLTagsConverter.getBlobLoaderUrlPart(getRequest()); try { byte[] bytes = MediaURLStreamHandler.getBlobLoaderMedia(application, url); if (bytes != null) { String mime = MediaURLStreamHandler.getBlobLoaderMimeType(url); if (mime == null) mime = MimeTypes.getContentType(bytes); String filename = MediaURLStreamHandler.getBlobLoaderFileName(url); if (size != null) { MediaResource tempIcon = new MediaResource(bytes, mediaOptions); (tempIcon).checkResize(size); bytes = tempIcon.resized; } new ByteArrayResource(mime, bytes, filename).onResourceRequested(); } } catch (IOException ex) { Debug.error("Error serving blobloader url: " + url, ex); //$NON-NLS-1$ } } else { icon.onResourceRequested(); } } public IStylePropertyChanges getStylePropertyChanges() { return scriptable.getChangesRecorder(); } /** * @see com.servoy.j2db.ui.ILabel#setMediaOption(int) */ public void setMediaOption(int mediaOptions) { this.mediaOptions = mediaOptions; } /** * @see com.servoy.j2db.ui.ILabel#addScriptExecuter(com.servoy.j2db.IScriptExecuter) */ public void addScriptExecuter(IScriptExecuter el) { eventExecutor.setScriptExecuter(el); } /** * @see com.servoy.j2db.ui.ILabel#setActionCommand(java.lang.String, Object[]) */ public void setActionCommand(String actionCommand, Object[] args) { eventExecutor.setActionCmd(actionCommand, args); } public void setDoubleClickCommand(String doubleClickCommand, Object[] args) { eventExecutor.setDoubleClickCmd(doubleClickCommand, args); } public void setRightClickCommand(String rightClickCommand, Object[] args) { eventExecutor.setRightClickCmd(rightClickCommand, args); } /** * @see com.servoy.j2db.ui.ILabel#setRolloverIcon(byte[]) */ public void setRolloverIcon(int rolloverMediaId) { if ((rolloverMedia = application.getFlattenedSolution().getMedia(rolloverMediaId)) != null) { addRolloverBehaviors(); rolloverIconReference = new ResourceReference("media"); //$NON-NLS-1$ } } /** * @see com.servoy.j2db.ui.ILabel#setIcon(byte[]) */ public void setIcon(byte[] bs) { media = null; // mediaSize = null; iconReference = null; if (bs != null && bs.length != 0) { addEnabledStyleAttributeModifier(); icon = new MediaResource(bs, mediaOptions); if (size != null) { (icon).checkResize(size); } } else { icon = new MediaResource(WebDataImgMediaField.emptyImage, mediaOptions); } } private void addRolloverBehaviors() { if (rolloverBehavior != null) return; rolloverBehavior = WebBaseButton.getImageDisplayRolloverBehavior(this); add(rolloverBehavior); add(WebBaseButton.getImageDisplayRolloutBehavior(this)); } private void addEnabledStyleAttributeModifier() { if (enabledStyle != null) return; enabledStyle = new StyleAppendingModifier(new Model<String>() { private static final long serialVersionUID = 1L; @Override public String getObject() { return scriptable.isEnabled() ? "" : "filter:alpha(opacity=50);-moz-opacity:.50;opacity:.50;"; //$NON-NLS-1$ //$NON-NLS-2$ } }); add(enabledStyle); } public int getMediaIcon() { return media != null ? media.getID() : 0; } public void setMediaIcon(int iconId) { this.icon = null; this.iconUrl = null; this.iconReference = null; this.media = null; if ((media = application.getFlattenedSolution().getMedia(iconId)) != null) { addEnabledStyleAttributeModifier(); iconReference = new ResourceReference("media"); //$NON-NLS-1$ text_url = MediaURLStreamHandler.MEDIA_URL_DEF + media.getName(); } else if (enabledStyle != null) { remove(enabledStyle); enabledStyle = null; } // mediaSize = null; } private int rotation = 0; /** * @see com.servoy.j2db.ui.ILabel#setRotation(int) */ public void setRotation(int rotation) { this.rotation = rotation; } public void setFocusPainted(boolean showFocus) { // this.showFocus = showFocus; } public void setHorizontalAlignment(int c) { this.halign = c; } public int getVerticalAlignment() { return valign; } public void setVerticalAlignment(int t) { this.valign = t; } public void setText(String txt) { setDefaultModel(new Model<String>(txt)); } public String getText() { Object o = getDefaultModelObject(); return o == null ? null : o.toString(); } public void setCursor(Cursor cursor) { this.cursor = cursor; } public void setRolloverEnabled(boolean b) { // TODO Auto-generated method stub } public void setMargin(Insets margin) { this.margin = margin; } public Insets getMargin() { return margin; } @Override public IConverter getConverter(Class<?> cls) { if (cls.isArray() && cls.getComponentType().toString().equals("byte")) //$NON-NLS-1$ return new IConverter() { private static final long serialVersionUID = 1L; public Object convertToObject(String value, Locale locale) { return null; } public String convertToString(Object value, Locale locale) { return null; } }; return StripHTMLTagsConverter.htmlStripper; } public void setTextTransform(int mode) { // ignore should be done through css } public void setImageURL(String textUrl) { this.text_url = textUrl; if (textUrl == null) { icon = null; iconReference = null; iconUrl = null; } else { int index = textUrl.indexOf(MediaURLStreamHandler.MEDIA_URL_DEF); if (index == -1) { icon = null; iconReference = null; iconUrl = textUrl; addEnabledStyleAttributeModifier(); } else { String nm = textUrl.substring(index + MediaURLStreamHandler.MEDIA_URL_DEF.length()); try { Media m = application.getFlattenedSolution().getMedia(nm); if (m != null) { setMediaIcon(m.getID()); } else if (nm.startsWith(MediaURLStreamHandler.MEDIA_URL_BLOBLOADER)) { // clear previous images icon = null; iconReference = null; iconUrl = null; addEnabledStyleAttributeModifier(); } } catch (Exception ex) { Debug.error("Error loading media for url: " + textUrl, ex); //$NON-NLS-1$ } } } } public String getImageURL() { return text_url; } public String getRolloverImageURL() { return rolloverUrl; } public void setRolloverImageURL(String imageUrl) { this.rolloverUrl = imageUrl; rolloverIconReference = null; if (rolloverUrl != null) { int index = imageUrl.indexOf(MediaURLStreamHandler.MEDIA_URL_DEF); if (index != -1) { String nm = rolloverUrl.substring(index + MediaURLStreamHandler.MEDIA_URL_DEF.length()); Media m = application.getFlattenedSolution().getMedia(nm); if (m != null) { setRolloverIcon(m.getID()); } } } addRolloverBehaviors(); } public byte[] getThumbnailJPGImage(int width, int height) { return WebBaseLabel.getThumbnailJPGImage(width, height, icon, text_url, media != null ? media.getID() : 0, (mediaOptions & 8) == 8, application); } public void setName(String n) { name = n; } private String name; public String getName() { return name; } /* * border--------------------------------------------------- */ private Border border; public void setBorder(Border border) { this.border = border; } public Border getBorder() { return border; } /* * opaque--------------------------------------------------- */ public void setOpaque(boolean opaque) { this.opaque = opaque; } private boolean opaque; public boolean isOpaque() { return opaque; } /* * titleText--------------------------------------------------- */ protected String titleText = null; public void setTitleText(String title) { this.titleText = title; } private String tooltip; public void setToolTipText(String tooltip) { if (Utils.stringIsEmpty(tooltip)) { this.tooltip = null; } else { this.tooltip = tooltip; } } /** * @see com.servoy.j2db.ui.IComponent#getToolTipText() */ public String getToolTipText() { if (tooltip != null && getDefaultModel() instanceof ITagResolver) { final ITagResolver resolver = (ITagResolver) getDefaultModel(); return Text.processTags(tooltip, resolver); } return tooltip; } /* * font--------------------------------------------------- */ public void setFont(Font font) { this.font = font; } private Font font; public Font getFont() { return font; } /* * bgcolor--------------------------------------------------- */ private Color background; public void setBackground(Color cbg) { this.background = cbg; } public Color getBackground() { return background; } /* * fgcolor--------------------------------------------------- */ private Color foreground; public void setForeground(Color cfg) { this.foreground = cfg; } public Color getForeground() { return foreground; } /* * visible--------------------------------------------------- */ public void setComponentVisible(boolean visible) { setVisible(visible); } public void setComponentEnabled(final boolean b) { if (accessible) { super.setEnabled(b); scriptable.getChangesRecorder().setChanged(); } } protected boolean accessible = true; public void setAccessible(boolean b) { if (!b) setComponentEnabled(b); accessible = b; } private boolean viewable = true; public void setViewable(boolean b) { this.viewable = b; setComponentVisible(b); } public boolean isViewable() { return viewable; } /* * location--------------------------------------------------- */ private Point location = new Point(0, 0); public int getAbsoluteFormLocationY() { WebDataRenderer parent = findParent(WebDataRenderer.class); if (parent != null) { return parent.getYOffset() + getLocation().y; } return getLocation().y; } public void setLocation(Point location) { this.location = location; } public Point getLocation() { return location; } /* * client properties for ui--------------------------------------------------- */ /* * size--------------------------------------------------- */ private Dimension size = new Dimension(0, 0); private int mnemonic; public Dimension getSize() { return size; } public int getFontSize() { int fontSize = TemplateGenerator.DEFAULT_FONT_SIZE; Font fnt = getFont(); if (fnt != null) { fontSize = fnt.getSize(); fontSize = (int) (fontSize * (4 / (double) 3)); } return fontSize; } public Rectangle getWebBounds() { Dimension d = ((ChangesRecorder) scriptable.getChangesRecorder()).calculateWebSize(size.width, size.height, border, border != null ? null : margin, getFontSize(), null, false, valign); // border already have the margin return new Rectangle(location, d); } /** * @see com.servoy.j2db.ui.ISupportWebBounds#getPaddingAndBorder() */ public Insets getPaddingAndBorder() { return ((ChangesRecorder) scriptable.getChangesRecorder()).getPaddingAndBorder(size.height, border, border != null ? null : margin, getFontSize(), null, false, valign); // border already have the margin } public void setSize(Dimension size) { this.size = size; } /** * @see com.servoy.j2db.ui.IStandardLabel#setDisplayedMnemonic(char) */ public void setDisplayedMnemonic(char mnemonic) { this.mnemonic = mnemonic; } public void setLabelFor(IFieldComponent component) { this.labelForComponent = component; } @Override protected void onComponentTag(final ComponentTag tag) { super.onComponentTag(tag); boolean useAJAX = Utils.getAsBoolean(application.getRuntimeProperties().get("useAJAX")); //$NON-NLS-1$ if (useAJAX) { Object oe = scriptable.getClientProperty("ajax.enabled"); //$NON-NLS-1$ if (oe != null) useAJAX = Utils.getAsBoolean(oe); } if (!useAJAX) { if (eventExecutor.hasDoubleClickCmd()) { CharSequence urld = urlFor(IDoubleClickListener.INTERFACE); tag.put("ondblclick", getForm().getJsForInterfaceUrl(urld)); //$NON-NLS-1$ } if (eventExecutor.hasRightClickCmd()) { CharSequence urlr = urlFor(IRightClickListener.INTERFACE); // We need a "return false;" so that the context menu is not displayed in the browser. tag.put("oncontextmenu", getForm().getJsForInterfaceUrl(urlr) + " return false;"); //$NON-NLS-1$ //$NON-NLS-2$ } } } public void onDoubleClick() { // If form validation fails, we don't execute the method. if (getForm().process()) eventExecutor.onEvent(EventType.doubleClick, null, this, IEventExecutor.MODIFIERS_UNSPECIFIED); } public void onRightClick() { // If form validation fails, we don't execute the method. if (getForm().process()) eventExecutor.onEvent(EventType.rightClick, null, this, IEventExecutor.MODIFIERS_UNSPECIFIED); } @Override public String toString() { return scriptable.toString(); } public IEventExecutor getEventExecutor() { return eventExecutor; } protected void instrumentAndReplaceBody(MarkupStream markupStream, ComponentTag openTag, CharSequence bodyText) { boolean hasHtmlOrImage = hasHtmlOrImage(); String cssid = getCSSId(); String cssclass = getCSSClass(); boolean designMode = false; IFormUIInternal<?> formui = findParent(IFormUIInternal.class); if (formui != null && formui.isDesignMode()) { designMode = true; } int anchor = Utils.getAsBoolean(application.getRuntimeProperties().get("enableAnchors")) ? anchors : 0; //$NON-NLS-1$ replaceComponentTagBody(markupStream, openTag, WebBaseButton.instrumentBodyText(bodyText, halign, valign, hasHtmlOrImage, border, margin, cssid, (char) getDisplayedMnemonic(), getMarkupId(), WebBaseButton.getImageDisplayURL(this), size, false, designMode ? null : cursor, isAnchored(), anchor, cssclass, rotation, scriptable.isEnabled(), openTag)); } protected boolean isAnchored() { return false; } protected String getCSSId() { return hasHtmlOrImage() ? getMarkupId() + "_lb" : null; } protected String getCSSClass() { WebCellBasedView wcbw = findParent(WebCellBasedView.class); return hasHtmlOrImage() && wcbw != null ? wcbw.getTableLabelCSSClass(getId()) : null; } protected boolean hasHtmlOrImage() { if (!HtmlUtils.startsWithHtml(getDefaultModelObject())) { return WebBaseButton.getImageDisplayURL(this) != null; } return true; } @Override protected void onBeforeRender() { super.onBeforeRender(); if (getCSSId() != null) { WebCellBasedView wcbw = findParent(WebCellBasedView.class); if (wcbw != null) wcbw.addLabelCssClass(getId()); } fireOnRender(false); } public void fireOnRender(boolean force) { if (scriptable instanceof ISupportOnRenderCallback) { boolean isFocused = false; IMainContainer currentContainer = ((FormManager) application.getFormManager()).getCurrentContainer(); if (currentContainer instanceof MainPage) { isFocused = this.equals(((MainPage) currentContainer).getFocusedComponent()); } if (force) ((ISupportOnRenderCallback) scriptable).getRenderEventExecutor().setRenderStateChanged(); ((ISupportOnRenderCallback) scriptable).getRenderEventExecutor().fireOnRender(isFocused); } } public void requestFocusToComponent() { } public int getDisplayedMnemonic() { return mnemonic; } public String getParameterValue(String param) { RequestCycle cycle = RequestCycle.get(); if (cycle != null) { Request req = cycle.getRequest(); if (req != null) { return req.getParameter(param); } } return null; } public Object getLabelFor() { return labelForComponent; } /* * (non-Javadoc) * * @see com.servoy.j2db.server.headlessclient.dataui.IImageDisplay#getIcon() */ public MediaResource getIcon() { return icon; } /* * (non-Javadoc) * * @see com.servoy.j2db.server.headlessclient.dataui.IImageDisplay#getIconReference() */ public ResourceReference getIconReference() { return iconReference; } /* * (non-Javadoc) * * @see com.servoy.j2db.server.headlessclient.dataui.IImageDisplay#getMedia() */ public Media getMedia() { return media; } /* * (non-Javadoc) * * @see com.servoy.j2db.server.headlessclient.dataui.IImageDisplay#getMediaOptions() */ public int getMediaOptions() { return mediaOptions; } /* * (non-Javadoc) * * @see com.servoy.j2db.server.headlessclient.dataui.IImageDisplay#getIconUrl() */ public String getIconUrl() { return iconUrl; } /* * (non-Javadoc) * * @see com.servoy.j2db.server.headlessclient.dataui.IImageDisplay#getTextUrl() */ public String getTextUrl() { return text_url; } /* * (non-Javadoc) * * @see com.servoy.j2db.server.headlessclient.dataui.IImageDisplay#getRolloverIconReference() */ public ResourceReference getRolloverIconReference() { return rolloverIconReference; } /* * (non-Javadoc) * * @see com.servoy.j2db.server.headlessclient.dataui.IImageDisplay#getRolloverMedia() */ public Media getRolloverMedia() { return rolloverMedia; } /* * (non-Javadoc) * * @see com.servoy.j2db.server.headlessclient.dataui.IImageDisplay#getRolloverUrl() */ public String getRolloverUrl() { return rolloverUrl; } public void setAnchors(int arg) { this.anchors = arg; } public ISupportSimulateBounds getBoundsProvider() { return findParent(ISupportSimulateBounds.class); } }