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.Dimension; import java.awt.Event; import java.awt.Insets; import java.util.Iterator; import java.util.Map.Entry; import java.util.Properties; import javax.swing.ImageIcon; import javax.swing.text.html.CSS; import org.apache.wicket.Application; import org.apache.wicket.AttributeModifier; import org.apache.wicket.Component; import org.apache.wicket.MarkupContainer; import org.apache.wicket.Page; import org.apache.wicket.Resource; import org.apache.wicket.ResourceReference; import org.apache.wicket.Session; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.behavior.SimpleAttributeModifier; import org.apache.wicket.markup.ComponentTag; import org.apache.wicket.markup.MarkupStream; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.image.Image; import org.apache.wicket.markup.html.image.resource.BufferedDynamicImageResource; import org.apache.wicket.markup.resolver.IComponentResolver; import org.apache.wicket.model.Model; import com.servoy.j2db.IApplication; import com.servoy.j2db.IScriptExecuter; import com.servoy.j2db.J2DBGlobals; import com.servoy.j2db.component.ComponentFactory; import com.servoy.j2db.dataprocessing.SortColumn; import com.servoy.j2db.persistence.AbstractBase; import com.servoy.j2db.persistence.Form; import com.servoy.j2db.persistence.GraphicalComponent; import com.servoy.j2db.persistence.IAnchorConstants; import com.servoy.j2db.persistence.IPersist; import com.servoy.j2db.persistence.ISupportAnchors; import com.servoy.j2db.persistence.ISupportName; import com.servoy.j2db.persistence.ISupportText; import com.servoy.j2db.persistence.ISupportTextSetup; import com.servoy.j2db.persistence.Media; import com.servoy.j2db.persistence.Portal; import com.servoy.j2db.persistence.PositionComparator; import com.servoy.j2db.persistence.RepositoryException; import com.servoy.j2db.server.headlessclient.MainPage; import com.servoy.j2db.server.headlessclient.TabIndexHelper; import com.servoy.j2db.server.headlessclient.WebClient; import com.servoy.j2db.server.headlessclient.WebClientSession; import com.servoy.j2db.server.headlessclient.dataui.TemplateGenerator.BorderAndPadding; import com.servoy.j2db.server.headlessclient.dataui.TemplateGenerator.TextualStyle; import com.servoy.j2db.server.headlessclient.dnd.DraggableBehavior; import com.servoy.j2db.ui.IProviderStylePropertyChanges; import com.servoy.j2db.ui.IStylePropertyChanges; import com.servoy.j2db.util.ComponentFactoryHelper; import com.servoy.j2db.util.Debug; import com.servoy.j2db.util.IStyleRule; import com.servoy.j2db.util.IStyleSheet; import com.servoy.j2db.util.ImageLoader; import com.servoy.j2db.util.Pair; import com.servoy.j2db.util.Text; import com.servoy.j2db.util.Utils; /** * Represents the component of a colunm header in a {@link WebCellBasedView} * * @author jblok */ public class SortableCellViewHeader extends WebMarkupContainer implements IProviderStylePropertyChanges, ISupportWebTabSeq { private static final long serialVersionUID = 1L; public static final int ARROW_WIDTH = 7 + 2; // width of the arrow image in px; we leave 1px space on the left and 1px space on the right private final AbstractBase cellview; private final WebCellBasedView view; private String tooltip; private final class LabelResolverLink extends ServoySubmitLink implements IComponentResolver { private static final long serialVersionUID = 1L; private final SortableCellViewHeaderGroup group; private final String componentId; private boolean sortable = true; private boolean dropped; private LabelResolverLink(String id, boolean useAJAX, SortableCellViewHeaderGroup group, String componentId) { super(id, useAJAX); this.group = group; this.componentId = componentId; } public void setSortable(boolean sortable) { this.sortable = sortable; } public void setDropped(boolean dropped) { this.dropped = dropped; } /** * @see wicket.ajax.markup.html.AjaxFallbackLink#onClick(wicket.ajax.AjaxRequestTarget) */ @Override public void onClick(AjaxRequestTarget target) { if (sortable && !dropped) { Page page = getPage(); if (page instanceof MainPage) { // make sure the link is focused; there is difference across browsers ((MainPage) page).componentToFocus(this); } int eventModifiers = WebEventExecutor.convertModifiers(getModifiers()); group.sort(componentId, view, eventModifiers); SortableCellViewHeader sortableCellViewHeader; for (Object header : view.getHeaderComponents()) { sortableCellViewHeader = (SortableCellViewHeader) header; if (sortableCellViewHeader.equals(SortableCellViewHeader.this) && form.getOnSortCmdMethodID() >= 0) { sortableCellViewHeader .setResizeImage(group.getSortDirection() == SortColumn.DESCENDING ? view.R_ARROW_UP : view.R_ARROW_DOWN); } else if ((eventModifiers & Event.SHIFT_MASK) == 0) { sortableCellViewHeader.setResizeImage(view.R_ARROW_OFF); } } WebEventExecutor.generateResponse(target, page); } dropped = false; } /** * @throws RepositoryException * @see wicket.markup.resolver.IComponentResolver#resolve(wicket.MarkupContainer, wicket.markup.MarkupStream, wicket.markup.ComponentTag) */ public boolean resolve(MarkupContainer container, MarkupStream markupStream, ComponentTag tag) { if (tag.getName().equalsIgnoreCase("div") && get("headertext") == null) //$NON-NLS-1$ //$NON-NLS-2$ { try { Iterator<IPersist> it2 = cellview.getAllObjects(); while (it2.hasNext()) { IPersist element = it2.next(); if (componentId.equals(ComponentFactory.getWebID(form, element))) { String text = ""; //$NON-NLS-1$ if (element instanceof ISupportText) { text = ((ISupportText) element).getText(); } GraphicalComponent gc = (GraphicalComponent) view.labelsFor .get(((ISupportName) element).getName()); if (gc != null) { text = gc.getText(); } text = J2DBGlobals.getServiceProvider().getI18NMessageIfPrefixed(text); boolean hasHtml = TemplateGenerator.hasHTMLText(text); text = TemplateGenerator.getSafeText(text); if (!hasHtml) { text = Utils.stringReplace(text, " ", " "); //$NON-NLS-1$ //$NON-NLS-2$ } text = Text.processTags(text, view.getDataAdapterList()); if (text != null && text.trim().equals("")) //$NON-NLS-1$ { text = " "; //$NON-NLS-1$ } WebClient webClient = ((WebClientSession) Session.get()).getWebClient(); text = StripHTMLTagsConverter.convertMediaReferences(text, webClient.getSolutionName(), new ResourceReference("media"), "", false).toString(); //$NON-NLS-1$ //$NON-NLS-2$ Label headerText = new Label("headertext", text); //$NON-NLS-1$ if (width > -1) { headerText.add(new StyleAppendingModifier(new Model<String>() { @Override public String getObject() { return "width: " + LabelResolverLink.this.width + "px"; } })); headerText.add(new StyleAppendingModifier(new Model<String>() { @Override public String getObject() { return "position: relative"; } })); } String inlineStyleStr = view.getHeaderMarginStyle(); if (inlineStyleStr != null) { applyInlineStyleString(headerText, inlineStyleStr); } headerText.setEscapeModelStrings(false); autoAdd(headerText); return true; } } } catch (Exception ex) { Debug.error("can't create html table for " + cellview, ex); //$NON-NLS-1$ } } return false; } private int width = -1; void setWidth(int width) { this.width = width; add(new StyleAppendingModifier(new Model<String>() { @Override public String getObject() { return "width: " + LabelResolverLink.this.width + "px"; } })); } } private final WebMarkupContainer headerColumnTable; private LabelResolverLink labelResolver; private Component resizeBar; private final String id; private final Form form; private WebEventExecutor executor; private String labelName = null; private final IApplication application; private boolean isUnmovable; /** * Construct. * * @param id The component's id * @param group The group of headers the new one will be added to * @param cellview */ public SortableCellViewHeader(Form form, final WebCellBasedView view, final String id, final SortableCellViewHeaderGroup group, AbstractBase cellview, boolean useAJAX, IApplication application) { super(id); this.id = id; this.cellview = cellview; this.view = view; this.application = application; this.form = form; headerColumnTable = new WebMarkupContainer("headerColumnTable"); //$NON-NLS-1$ headerColumnTable.add(labelResolver = new LabelResolverLink("sortLink", useAJAX, group, id)); //$NON-NLS-1$ labelResolver.add(new AttributeModifier("class", true, group)); //$NON-NLS-1$ labelResolver .add(new StyleAppendingModifier(new Model<String>("white-space: nowrap;text-overflow: clip;"))); boolean hasBgImage = false; // append background image in case of labelFor for the current label (goes through all labelFor components in the map to get the component by name ) GraphicalComponent labelFor = getLabelComponent(); if (labelFor != null) { Pair<IStyleSheet, IStyleRule> pair = ComponentFactory.getStyleForBasicComponent(application, labelFor, form); IStyleRule cssRule = pair == null || pair.getRight() == null ? null : pair.getRight(); if (cssRule != null && cssRule.hasAttribute(CSS.Attribute.BACKGROUND_IMAGE.toString())) { TextualStyle headerStyle = new TextualStyle(); headerStyle.setProperty(CSS.Attribute.BACKGROUND_IMAGE.toString(), cssRule.getValues(CSS.Attribute.BACKGROUND_IMAGE.toString()), true); String text = headerStyle.getValuesAsString(null); WebClient webClient = ((WebClientSession) Session.get()).getWebClient(); text = StripHTMLTagsConverter.convertMediaReferences(text, webClient.getSolutionName(), new ResourceReference("media"), "", false).toString(); add(new StyleAppendingModifier(new Model<String>(text))); hasBgImage = true; } } ChangesRecorder changesRecorder = new ChangesRecorder(); changesRecorder.setBorder(view.getHeaderBorder()); String inlineStyleStr = view.getHeaderBgColorStyle(); if (view.getHeaderBorder() != null) { add(new StyleAppendingModifier(new Model<String>("border-right: none; padding: 0px;"))); //$NON-NLS-1$ } final Properties changes = changesRecorder.getChanges(); if (changes.size() > 0) applyStyleChanges(headerColumnTable, changes); if (inlineStyleStr != null) applyInlineStyleString(this, inlineStyleStr); inlineStyleStr = view.getHeaderBgImageStyle(); if (inlineStyleStr != null) applyInlineStyleString(headerColumnTable, inlineStyleStr); //margin is applied to LabelResolverLink on the label (to mimic Label component margin behavior) ChangesRecorder textChangesRecorder = new ChangesRecorder(); textChangesRecorder.setFont(view.getHeaderFont()); inlineStyleStr = view.getHeaderFgColorStyle(); final Properties textChanges = textChangesRecorder.getChanges(); if (textChanges.size() > 0) applyStyleChanges(labelResolver, textChanges); if (inlineStyleStr != null) applyInlineStyleString(labelResolver, inlineStyleStr); boolean blockResize = false; Iterator<IPersist> iter = cellview.getAllObjects(); while (iter.hasNext()) { IPersist element = iter.next(); if (element instanceof ISupportAnchors) { if (id.equals(ComponentFactory.getWebID(form, element))) { int anchors = ((ISupportAnchors) element).getAnchors(); if (((anchors & IAnchorConstants.EAST) == 0) || ((anchors & IAnchorConstants.WEST) == 0)) { blockResize = true; } isUnmovable = ((anchors & IAnchorConstants.NORTH) == IAnchorConstants.NORTH) && ((anchors & IAnchorConstants.SOUTH) == IAnchorConstants.SOUTH); break; } } } if (((!(cellview instanceof Portal) || ((Portal) cellview).getReorderable()) && useAJAX) && !isUnmovable()) { DraggableBehavior dragMoveBehavior = new DraggableBehavior() { private int startX; @Override protected void onDragEnd(String componentId, int x, int y, int m, AjaxRequestTarget ajaxRequestTarget) { view.moveColumn(SortableCellViewHeader.this, x - startX, ajaxRequestTarget); labelResolver.setDropped(true); } @Override protected boolean onDragStart(String componentId, int x, int y, int m, AjaxRequestTarget ajaxRequestTarget) { startX = x; return true; } @Override protected void onDrop(String componentId, String targetid, int x, int y, int m, AjaxRequestTarget ajaxRequestTarget) { // TODO Auto-generated method stub } @Override protected void onDropHover(String componentId, String targeid, int m, AjaxRequestTarget ajaxRequestTarget) { // TODO Auto-generated method stub } }; dragMoveBehavior.setRenderOnHead(false); dragMoveBehavior.setYConstraint(true); dragMoveBehavior.setUseProxy(true); dragMoveBehavior.setResizeProxyFrame(true); headerColumnTable.add(dragMoveBehavior); } else if (isUnmovable()) { headerColumnTable.add(new SimpleAttributeModifier("ondragstart", "return false;")); } if (cellview instanceof Portal && !((Portal) cellview).getSortable()) { labelResolver.setSortable(false); resizeBar = new WebMarkupContainer("resizeBar"); //$NON-NLS-1$ } else { resizeBar = new Image("resizeBar", view.R_ARROW_OFF); //$NON-NLS-1$ } if (!blockResize && (!(cellview instanceof Portal) || ((Portal) cellview).getResizeble()) && useAJAX) { DraggableBehavior dragResizeBehavior = new DraggableBehavior() { private int startX; @Override protected void onDragEnd(String componentId, int x, int y, int m, AjaxRequestTarget ajaxRequestTarget) { view.resizeColumn(SortableCellViewHeader.this, x - startX); } @Override protected boolean onDragStart(String componentId, int x, int y, int m, AjaxRequestTarget ajaxRequestTarget) { startX = x; return true; } @Override protected void onDrop(String componentId, String targetid, int x, int y, int m, AjaxRequestTarget ajaxRequestTarget) { } @Override protected void onDropHover(String componentId, String targeid, int m, AjaxRequestTarget ajaxRequestTarget) { } }; dragResizeBehavior.setRenderOnHead(false); dragResizeBehavior.setYConstraint(true); resizeBar.add(dragResizeBehavior); resizeBar.add(new AttributeModifier("style", true, new Model<String>("cursor: col-resize;"))); //$NON-NLS-1$ //$NON-NLS-2$ } else { resizeBar.add(new AttributeModifier("style", true, new Model<String>("cursor: pointer;"))); //$NON-NLS-1$ //$NON-NLS-2$ } headerColumnTable.add(resizeBar); add(headerColumnTable); try { Iterator<IPersist> it2 = cellview.getAllObjects(PositionComparator.XY_PERSIST_COMPARATOR); int height = -1; while (it2.hasNext()) { IPersist element = it2.next(); if (id.equals(ComponentFactory.getWebID(form, element))) { final GraphicalComponent gc = (GraphicalComponent) view.labelsFor .get(((ISupportName) element).getName()); if (gc != null && height < 0) { height = gc.getSize().height; } if (gc != null && gc.getImageMediaID() > 0) { final int media_id = gc.getImageMediaID(); final Media media = application.getFlattenedSolution().getMedia(media_id); if (media != null) { hasBgImage = true; final int headerHeight = height; Pair<IStyleSheet, IStyleRule> pair = labelFor != null ? ComponentFactory.getStyleForBasicComponent(application, labelFor, form) : null; final IStyleRule cssRule = pair == null || pair.getRight() == null ? null : pair.getRight(); add(new StyleAppendingModifier(new Model<String>() { @Override public String getObject() { ResourceReference iconReference = new ResourceReference(media.getName()) { private static final long serialVersionUID = 1L; @Override protected Resource newResource() { BufferedDynamicImageResource imgRes = new BufferedDynamicImageResource(); MediaResource tempIcon = new MediaResource(media.getMediaData(), gc.getMediaOptions()); (tempIcon).checkResize(new Dimension(width, headerHeight)); ImageIcon icon = new ImageIcon(tempIcon.resized); imgRes.setImage(ImageLoader.imageToBufferedImage((icon).getImage())); return imgRes; } }; TextualStyle style = new TextualStyle(); style.setProperty(CSS.Attribute.BACKGROUND_REPEAT.toString(), "no-repeat"); //$NON-NLS-1$ style.setProperty(CSS.Attribute.BACKGROUND_POSITION.toString(), "center right"); //$NON-NLS-1$ if (cssRule != null) { if (cssRule.hasAttribute(CSS.Attribute.BACKGROUND.toString())) style.setProperty(CSS.Attribute.BACKGROUND.toString(), cssRule.getValue(CSS.Attribute.BACKGROUND.toString())); if (cssRule.hasAttribute(CSS.Attribute.BACKGROUND_ATTACHMENT.toString())) style.setProperty(CSS.Attribute.BACKGROUND_ATTACHMENT.toString(), cssRule.getValue( CSS.Attribute.BACKGROUND_ATTACHMENT.toString())); if (cssRule.hasAttribute(CSS.Attribute.BACKGROUND_COLOR.toString())) style.setProperty(CSS.Attribute.BACKGROUND_COLOR.toString(), cssRule.getValue(CSS.Attribute.BACKGROUND_COLOR.toString())); if (cssRule.hasAttribute(CSS.Attribute.BACKGROUND_POSITION.toString())) style.setProperty(CSS.Attribute.BACKGROUND_POSITION.toString(), cssRule.getValue(CSS.Attribute.BACKGROUND_POSITION.toString()), true); if (cssRule.hasAttribute(CSS.Attribute.BACKGROUND_REPEAT.toString())) style.setProperty(CSS.Attribute.BACKGROUND_REPEAT.toString(), cssRule.getValue(CSS.Attribute.BACKGROUND_REPEAT.toString()), true); } style.setProperty(CSS.Attribute.BACKGROUND_IMAGE.toString(), "url(" + urlFor(iconReference) + "?id=" + media_id + ")"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ return style.getValuesAsString(null); } })); } } else if (gc != null && gc.getToolTipText() != null) { tooltip = application.getI18NMessageIfPrefixed(gc.getToolTipText()); add(TooltipAttributeModifier.INSTANCE); } if (gc != null) { int style_valign = -1; Pair<IStyleSheet, IStyleRule> styleInfo = ComponentFactory .getStyleForBasicComponent(application, gc, form); if (styleInfo != null) { IStyleSheet ss = styleInfo.getLeft(); IStyleRule s = styleInfo.getRight(); if (ss != null && s != null) { style_valign = ss.getVAlign(s); } } final int styleValign = style_valign; add(new StyleAppendingModifier(new Model<String>() { private static final long serialVersionUID = 1L; @Override public String getObject() { int valign = ISupportTextSetup.CENTER; if (gc.getVerticalAlignment() >= 0) { valign = gc.getVerticalAlignment(); } else if (styleValign >= 0) { valign = styleValign; } return "vertical-align:" + TemplateGenerator.getVerticalAlignValue(valign) + ";"; //$NON-NLS-1$//$NON-NLS-2$ } })); } if (gc != null && gc.getOnRightClickMethodID() > 0) { executor = new WebEventExecutor(this, useAJAX); executor.setRightClickCmd(String.valueOf(gc.getOnRightClickMethodID()), null); labelName = gc.getName(); } } } } catch (Exception ex) { Debug.error(ex); } if (labelFor != null && hasBgImage && labelFor.getOnActionMethodID() > 0) { add(new AttributeModifier("onclick", true, new Model<String>( "var target = event.target || event.srcElement; var aEl = this.getElementsByTagName('a')[0]; if($(target).parents('#'+aEl.id).length == 0) { aEl.click(); }"))); } Boolean dir = group.get(id); if (dir != null && form.getOnSortCmdMethodID() >= 0) { setResizeImage(dir ? view.R_ARROW_DOWN : view.R_ARROW_UP); } } /** * * @return GraphicalComponent - the "label for" component ,if it has one */ private GraphicalComponent getLabelComponent() { Iterator<IPersist> iterator = cellview.getAllObjects(); while (iterator.hasNext()) { IPersist element = iterator.next(); if (id.equals(ComponentFactory.getWebID(form, element))) { GraphicalComponent gc = (GraphicalComponent) view.labelsFor.get(((ISupportName) element).getName()); if (gc != null) { return gc; } } } return null; } private void applyStyleChanges(Component c, final Properties changes) { StyleAppendingModifier headerStyles = new StyleAppendingModifier(new Model<String>() { @Override public String getObject() { StringBuilder headerStyle = new StringBuilder(); Iterator<Entry<Object, Object>> headerStyleIte = changes.entrySet().iterator(); Entry<Object, Object> headerStyleEntry; while (headerStyleIte.hasNext()) { headerStyleEntry = headerStyleIte.next(); headerStyle.append(headerStyleEntry.getKey()).append(":").append(headerStyleEntry.getValue()) .append(";"); } return headerStyle.toString(); } }) { @Override public boolean isEnabled(Component c) { Iterator<IPersist> it2 = SortableCellViewHeader.this.cellview.getAllObjects(); while (it2.hasNext()) { IPersist element = it2.next(); if (SortableCellViewHeader.this.id .equals(ComponentFactory.getWebID(SortableCellViewHeader.this.form, element)) && SortableCellViewHeader.this.view.labelsFor .get(((ISupportName) element).getName()) != null) { return false; } } return true; } }; c.add(headerStyles); } private void applyInlineStyleString(Component c, final String inlineCSSSting) { StyleAppendingModifier headerStyles = new StyleAppendingModifier(new Model<String>() { @Override public String getObject() { return inlineCSSSting; } }) { @Override public boolean isEnabled(Component c) { Iterator<IPersist> it2 = SortableCellViewHeader.this.cellview.getAllObjects(); while (it2.hasNext()) { IPersist element = it2.next(); if (SortableCellViewHeader.this.id .equals(ComponentFactory.getWebID(SortableCellViewHeader.this.form, element)) && SortableCellViewHeader.this.view.labelsFor .get(((ISupportName) element).getName()) != null) { return false; } } return true; } }; c.add(headerStyles); } public boolean isUnmovable() { return isUnmovable; } public String getToolTipText() { return tooltip; } public void setResizeImage(ResourceReference resourceReference) { if (resizeBar instanceof Image && Application.exists()) { ((Image) resizeBar).setImageResourceReference(resourceReference); } } public void setResizeClass(String resizeClass) { resizeBar.add(new SimpleAttributeModifier("class", "resize_" + resizeClass)); } protected ChangesRecorder jsChangeRecorder = new ChangesRecorder(null, null); private int width; public void setWidth(int width) { int borderWidth = 0; Iterator<IPersist> it2 = cellview.getAllObjects(); while (it2.hasNext()) { IPersist element = it2.next(); if (id.equals(ComponentFactory.getWebID(form, element))) { GraphicalComponent gc = (GraphicalComponent) view.labelsFor.get(((ISupportName) element).getName()); if (gc != null) { TextualStyle styleObj = new TextualStyle(); BorderAndPadding ins = TemplateGenerator.applyBaseComponentProperties(gc, view.fc.getForm(), styleObj, (Insets) TemplateGenerator.DEFAULT_LABEL_PADDING.clone(), null, application); if (ins.border != null) borderWidth = ins.border.left + ins.border.right; } } } int headerPadding = TemplateGenerator.SORTABLE_HEADER_PADDING; // If there is no label-for, we leave place for the default border placed at the right of headers. if (view.labelsFor.size() == 0) { int extraWidth = TemplateGenerator.NO_LABELFOR_DEFAULT_BORDER_WIDTH; String headerBorder = view.getHeaderBorder(); if (headerBorder != null) { Properties properties = new Properties(); Insets borderIns = ComponentFactoryHelper.createBorderCSSProperties(headerBorder, properties); extraWidth = borderIns.left + borderIns.right; headerPadding = 0; } borderWidth += extraWidth; } int clientWidth = width - headerPadding - borderWidth; // we have only left padding // if we have grid_style for the header, then don't change the header width this.width = (view.labelsFor.size() == 0 && view.getHeaderBorder() != null) ? width : clientWidth; StyleAppendingModifier widthStyleModifier = new StyleAppendingModifier(new Model<String>() { @Override public String getObject() { return "width: " + SortableCellViewHeader.this.width + "px"; //$NON-NLS-1$//$NON-NLS-2$ } }); add(widthStyleModifier); headerColumnTable.add(widthStyleModifier); labelResolver.setWidth(clientWidth - SortableCellViewHeader.ARROW_WIDTH); getStylePropertyChanges().setChanged(); } public int getWidth() { return width; } public void resetAutoAdd() { setAuto(false); } public IStylePropertyChanges getStylePropertyChanges() { return jsChangeRecorder; } public void setTabSequenceIndex(int tabIndex) { TabIndexHelper.setUpTabIndexAttributeModifier(labelResolver, tabIndex); } @Override protected void onRender(final MarkupStream markupStream) { super.onRender(markupStream); getStylePropertyChanges().setRendered(); } public void setScriptExecuter(IScriptExecuter el) { if (executor != null) executor.setScriptExecuter(el); } public String getName() { return labelName; } }