org.argeo.cms.ui.rap/src/org/argeo/cms/web/SimpleErgonomics.java

   1 package org.argeo.cms.web;
   2
   3 import java.util.Map;
   4 import java.util.UUID;
   5
   6 import javax.jcr.Node;
   7 import javax.jcr.Repository;
   8 import javax.jcr.RepositoryException;
   9
  10 import org.apache.commons.logging.Log;
  11 import org.apache.commons.logging.LogFactory;
  12 import org.argeo.cms.CmsException;
  13 import org.argeo.cms.ui.CmsImageManager;
  14 import org.argeo.cms.ui.CmsStyles;
  15 import org.argeo.cms.ui.CmsUiProvider;
  16 import org.argeo.cms.ui.UxContext;
  17 import org.argeo.cms.ui.util.CmsUiUtils;
  18 import org.argeo.cms.ui.util.DefaultImageManager;
  19 import org.argeo.cms.ui.util.SimpleUxContext;
  20 import org.argeo.cms.ui.util.SystemNotifications;
  21 import org.eclipse.rap.rwt.RWT;
  22 import org.eclipse.swt.SWT;
  23 import org.eclipse.swt.layout.FillLayout;
  24 import org.eclipse.swt.layout.GridData;
  25 import org.eclipse.swt.layout.GridLayout;
  26 import org.eclipse.swt.widgets.Composite;
  27 import org.eclipse.swt.widgets.Control;
  28
  29 /** Simple header/body ergonomics. */
  30 public class SimpleErgonomics extends AbstractCmsEntryPoint {
  31         private static final long serialVersionUID = 8743413921359548523L;
  32
  33         private final static Log log = LogFactory.getLog(SimpleErgonomics.class);
  34
  35         private boolean uiInitialized = false;
  36         private Composite headerArea;
  37         private Composite leftArea;
  38         private Composite rightArea;
  39         private Composite footerArea;
  40         private Composite bodyArea;
  41         private final CmsUiProvider uiProvider;
  42
  43         private CmsUiProvider header;
  44         private Integer headerHeight = 0;
  45         private Integer footerHeight = 0;
  46         private CmsUiProvider lead;
  47         private CmsUiProvider end;
  48         private CmsUiProvider footer;
  49
  50         private CmsImageManager imageManager = new DefaultImageManager();
  51         private UxContext uxContext = null;
  52         private String uid;
  53
  54         public SimpleErgonomics(Repository repository, String workspace, String defaultPath, CmsUiProvider uiProvider,
  55                         Map<String, String> factoryProperties) {
  56                 super(repository, workspace, defaultPath, factoryProperties);
  57                 this.uiProvider = uiProvider;
  58         }
  59
  60         @Override
  61         protected void initUi(Composite parent) {
  62                 uid = UUID.randomUUID().toString();
  63                 parent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  64                 parent.setLayout(CmsUiUtils.noSpaceGridLayout(new GridLayout(3, false)));
  65
  66                 uxContext = new SimpleUxContext();
  67                 if (!getUxContext().isMasterData())
  68                         createAdminArea(parent);
  69                 headerArea = new Composite(parent, SWT.NONE);
  70                 headerArea.setLayout(new FillLayout());
  71                 GridData headerData = new GridData(SWT.FILL, SWT.FILL, false, false, 3, 1);
  72                 headerData.heightHint = headerHeight;
  73                 headerArea.setLayoutData(headerData);
  74
  75                 // TODO: bi-directional
  76                 leftArea = new Composite(parent, SWT.NONE);
  77                 leftArea.setLayoutData(new GridData(SWT.LEAD, SWT.TOP, false, false));
  78                 leftArea.setLayout(CmsUiUtils.noSpaceGridLayout());
  79
  80                 bodyArea = new Composite(parent, SWT.NONE);
  81                 bodyArea.setData(RWT.CUSTOM_VARIANT, CmsStyles.CMS_BODY);
  82                 bodyArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  83                 bodyArea.setLayout(CmsUiUtils.noSpaceGridLayout());
  84
  85                 // TODO: bi-directional
  86                 rightArea = new Composite(parent, SWT.NONE);
  87                 rightArea.setLayoutData(new GridData(SWT.END, SWT.TOP, false, false));
  88                 rightArea.setLayout(CmsUiUtils.noSpaceGridLayout());
  89
  90                 footerArea = new Composite(parent, SWT.NONE);
  91                 // footerArea.setLayout(new FillLayout());
  92                 GridData footerData = new GridData(SWT.FILL, SWT.FILL, false, false, 3, 1);
  93                 footerData.heightHint = footerHeight;
  94                 footerArea.setLayoutData(footerData);
  95
  96                 uiInitialized = true;
  97                 refresh();
  98         }
  99
 100         @Override
 101         protected void refresh() {
 102                 if (!uiInitialized)
 103                         return;
 104                 if (getState() == null)
 105                         setState("");
 106                 refreshSides();
 107                 refreshBody();
 108                 if (log.isTraceEnabled())
 109                         log.trace("UI refreshed " + getNode());
 110         }
 111
 112         protected void createAdminArea(Composite parent) {
 113         }
 114
 115         @Deprecated
 116         protected void refreshHeader() {
 117                 if (header == null)
 118                         return;
 119
 120                 for (Control child : headerArea.getChildren())
 121                         child.dispose();
 122                 try {
 123                         header.createUi(headerArea, getNode());
 124                 } catch (RepositoryException e) {
 125                         throw new CmsException("Cannot refresh header", e);
 126                 }
 127                 headerArea.layout(true, true);
 128         }
 129
 130         protected void refreshSides() {
 131                 refresh(headerArea, header, CmsStyles.CMS_HEADER);
 132                 refresh(leftArea, lead, CmsStyles.CMS_LEAD);
 133                 refresh(rightArea, end, CmsStyles.CMS_END);
 134                 refresh(footerArea, footer, CmsStyles.CMS_FOOTER);
 135         }
 136
 137         private void refresh(Composite area, CmsUiProvider uiProvider, String style) {
 138                 if (uiProvider == null)
 139                         return;
 140
 141                 for (Control child : area.getChildren())
 142                         child.dispose();
 143                 CmsUiUtils.style(area, style);
 144                 try {
 145                         uiProvider.createUi(area, getNode());
 146                 } catch (RepositoryException e) {
 147                         throw new CmsException("Cannot refresh header", e);
 148                 }
 149                 area.layout(true, true);
 150         }
 151
 152         protected void refreshBody() {
 153                 // Exception
 154                 Throwable exception = getException();
 155                 if (exception != null) {
 156                         SystemNotifications systemNotifications = new SystemNotifications(bodyArea);
 157                         systemNotifications.notifyException(exception);
 158                         resetException();
 159                         return;
 160                         // TODO report
 161                 }
 162
 163                 // clear
 164                 for (Control child : bodyArea.getChildren())
 165                         child.dispose();
 166                 bodyArea.setLayout(CmsUiUtils.noSpaceGridLayout());
 167
 168                 try {
 169                         Node node = getNode();
 170 //                      if (node == null)
 171 //                              log.error("Context cannot be null");
 172 //                      else
 173                         uiProvider.createUi(bodyArea, node);
 174                 } catch (RepositoryException e) {
 175                         throw new CmsException("Cannot refresh body", e);
 176                 }
 177
 178                 bodyArea.layout(true, true);
 179         }
 180
 181         @Override
 182         public UxContext getUxContext() {
 183                 return uxContext;
 184         }
 185         @Override
 186         public String getUid() {
 187                 return uid;
 188         }
 189
 190         @Override
 191         public CmsImageManager getImageManager() {
 192                 return imageManager;
 193         }
 194
 195         public void setHeader(CmsUiProvider header) {
 196                 this.header = header;
 197         }
 198
 199         public void setHeaderHeight(Integer headerHeight) {
 200                 this.headerHeight = headerHeight;
 201         }
 202
 203         public void setImageManager(CmsImageManager imageManager) {
 204                 this.imageManager = imageManager;
 205         }
 206
 207         public CmsUiProvider getLead() {
 208                 return lead;
 209         }
 210
 211         public void setLead(CmsUiProvider lead) {
 212                 this.lead = lead;
 213         }
 214
 215         public CmsUiProvider getEnd() {
 216                 return end;
 217         }
 218
 219         public void setEnd(CmsUiProvider end) {
 220                 this.end = end;
 221         }
 222
 223         public CmsUiProvider getFooter() {
 224                 return footer;
 225         }
 226
 227         public void setFooter(CmsUiProvider footer) {
 228                 this.footer = footer;
 229         }
 230
 231         public CmsUiProvider getHeader() {
 232                 return header;
 233         }
 234
 235         public void setFooterHeight(Integer footerHeight) {
 236                 this.footerHeight = footerHeight;
 237         }
 238
 239 }