cmspropertyadvanced.java

cms是开源的框架

        result.append("\">");
        
        // build hidden input field for resource value
        result.append("<input type=\"hidden\" name=\"");
        result.append(PREFIX_RESOURCE);
        result.append(propName);
        result.append("\" id=\"");
        result.append(PREFIX_RESOURCE);
        result.append(propName);
        result.append("\" value=\"");
        result.append(CmsEncoder.escapeXml(valueResource));
        result.append("\"></td>\n");
        result.append("\t<td class=\"textcenter\">");
        if (!"".equals(propValue)) {
            // show checkbox only for non empty value
            String prefix = PREFIX_RESOURCE;
            if (structurePanelName.equals(activeTab)) {
                prefix = PREFIX_STRUCTURE;
            }
            result.append("<input type=\"checkbox\" name=\"");
            result.append(PREFIX_USEPROPERTY);
            result.append(propName);
            result.append("\" id=\"");
            result.append(PREFIX_USEPROPERTY);
            result.append(propName);
            result.append("\" value=\"true\"");
            result.append(disabled);
            result.append(" checked=\"checked\" onClick=\"toggleDelete('");
            result.append(propName);
            result.append("', '");
            result.append(prefix);
            result.append("', '");
            result.append(activeTab);
            result.append("');\">");
        } else {
            result.append("&nbsp;");
        }
        result.append("</td>\n");
        result.append("</tr>\n");
        return result;
    }

    /**
     * Creates a list of String arrays containing the property names and values.<p>
     * 
     * The list items consist of the following Strings:
     * <ol>
     * <li>The name of the property</li>
     * <li>The currently active property value</li>
     * <li>The value of the structure</li>
     * <li>The value of the resource</li>
     * </ol>
     * 
     * @return the list of property values in display order
     */
    private List getPropertyValues() {

        // check if list has to be generated
        if (m_propertyValues == null) {

            // get currently active tab
            String activeTab = getActiveTabName();
            String structurePanelName = key(Messages.GUI_PROPERTIES_INDIVIDUAL_0);

            // get all properties for the resource
            List propertyDef = new ArrayList();
            try {
                propertyDef = getCms().readAllPropertyDefinitions();
            } catch (CmsException e) {
                // should usually never happen
                if (LOG.isInfoEnabled()) {
                    LOG.info(e.getLocalizedMessage());
                }
            }
            m_propertyValues = new ArrayList(propertyDef.size());

            // get all used properties for the resource
            Map activeProperties = null;
            if (!m_tabSwitched) {
                try {
                    activeProperties = CmsPropertyAdvanced.getPropertyMap(getCms().readPropertyObjects(
                        getParamResource(),
                        false));
                } catch (CmsException e) {
                    // should usually never happen
                    if (LOG.isInfoEnabled()) {
                        LOG.info(e.getLocalizedMessage());
                    }
                    activeProperties = new HashMap();
                }
            }

            // iterate over all possible properties for the resource
            Iterator i = propertyDef.iterator();
            while (i.hasNext()) {
                CmsPropertyDefinition currentPropertyDef = (CmsPropertyDefinition)i.next();
                String propName = CmsEncoder.escapeXml(currentPropertyDef.getName());
                String propValue = "";
                String valueStructure = "";
                String valueResource = "";
                if (m_tabSwitched) {
                    // switched the tab, get values from hidden fields
                    if (structurePanelName.equals(activeTab)) {
                        // structure form
                        propValue = getJsp().getRequest().getParameter(PREFIX_STRUCTURE + propName);
                        valueStructure = getJsp().getRequest().getParameter(PREFIX_STRUCTURE + propName);
                        if (!isEditable()) {
                            // values from disabled fields are not posted
                            valueResource = getJsp().getRequest().getParameter(PREFIX_RESOURCE + propName);
                        } else {
                            valueResource = getJsp().getRequest().getParameter(PREFIX_VALUE + propName);
                        }
                    } else {
                        // resource form
                        propValue = getJsp().getRequest().getParameter(PREFIX_RESOURCE + propName);
                        if (!isEditable()) {
                            // values from disabled fields are not posted
                            valueStructure = getJsp().getRequest().getParameter(PREFIX_STRUCTURE + propName);
                        } else {
                            valueStructure = getJsp().getRequest().getParameter(PREFIX_VALUE + propName);
                        }
                        valueResource = getJsp().getRequest().getParameter(PREFIX_RESOURCE + propName);
                        if (valueStructure != null
                            && !"".equals(valueStructure.trim())
                            && valueStructure.equals(valueResource)) {
                            // the resource value was shown in the input field, set structure value to empty String
                            valueStructure = "";
                        }
                    }
                } else {
                    // initial call of edit form, get property values from database 
                    CmsProperty currentProperty = (CmsProperty)activeProperties.get(propName);
                    if (currentProperty == null) {
                        currentProperty = new CmsProperty();
                    }
                    if (structurePanelName.equals(activeTab)) {
                        // show the structure properties
                        propValue = currentProperty.getStructureValue();
                    } else {
                        // show the resource properties
                        propValue = currentProperty.getResourceValue();
                    }
                    valueStructure = currentProperty.getStructureValue();
                    valueResource = currentProperty.getResourceValue();
                    // check values for null
                    if (propValue == null) {
                        propValue = "";
                    }
                    if (valueStructure == null) {
                        valueStructure = "";
                    }
                    if (valueResource == null) {
                        valueResource = "";
                    }
                }
                // remove unnecessary blanks from values
                propValue = propValue.trim();
                valueStructure = valueStructure.trim();
                valueResource = valueResource.trim();
                String[] property = new String[] {propName, propValue, valueStructure, valueResource};
                m_propertyValues.add(property);
            }
        }
        // return the filled list
        return m_propertyValues;
    }

    /**
     * Performs the definition of a new property.<p>
     * 
     * @return true, if the new property was created, otherwise false
     * @throws CmsException if creation is not successful
     */
    private boolean performDefineOperation() throws CmsException {

        boolean useTempfileProject = Boolean.valueOf(getParamUsetempfileproject()).booleanValue();
        try {
            if (useTempfileProject) {
                switchToTempProject();
            }
            String newProperty = getParamNewproperty();
            if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(newProperty)) {
                getCms().createPropertyDefinition(newProperty);
                return true;
            } else {
                throw new CmsException(Messages.get().container(Messages.ERR_INVALID_PROP_0));
            }
        } finally {
            if (useTempfileProject) {
                switchToCurrentProject();
            }
        }
    }

    /**
     * Performs the editing of the resources properties.<p>
     * 
     * @param request the HttpServletRequest
     * @return true, if the properties were successfully changed, otherwise false
     * @throws CmsException if editing is not successful
     */
    private boolean performDialogOperation(HttpServletRequest request) throws CmsException {

        List propertyDef = getCms().readAllPropertyDefinitions();
        boolean useTempfileProject = Boolean.valueOf(getParamUsetempfileproject()).booleanValue();
        try {
            if (useTempfileProject) {
                switchToTempProject();
            }
            Map activeProperties = getPropertyMap(getCms().readPropertyObjects(getParamResource(), false));
            String activeTab = getActiveTabName();
            List propertiesToWrite = new ArrayList();

            // check all property definitions of the resource for new values
            Iterator i = propertyDef.iterator();
            while (i.hasNext()) {
                CmsPropertyDefinition curPropDef = (CmsPropertyDefinition)i.next();
                String propName = CmsEncoder.escapeXml(curPropDef.getName());
                String valueStructure = null;
                String valueResource = null;

                if (key(Messages.GUI_PROPERTIES_INDIVIDUAL_0).equals(activeTab)) {
                    // get parameters from the structure tab
                    valueStructure = request.getParameter(PREFIX_VALUE + propName);
                    valueResource = request.getParameter(PREFIX_RESOURCE + propName);
                    if (valueStructure != null
                        && !"".equals(valueStructure.trim())
                        && valueStructure.equals(valueResource)) {
                        // the resource value was shown/entered in input field, set structure value to empty String
                        valueStructure = "";
                    }
                } else {
                    // get parameters from the resource tab
                    valueStructure = request.getParameter(PREFIX_STRUCTURE + propName);
                    valueResource = request.getParameter(PREFIX_VALUE + propName);
                }

                // check values for blanks and null
                if (valueStructure != null) {
                    valueStructure = valueStructure.trim();
                }

                if (valueResource != null) {
                    valueResource = valueResource.trim();
                }

                // create new CmsProperty object to store
                CmsProperty newProperty = new CmsProperty();
                newProperty.setName(curPropDef.getName());
                newProperty.setStructureValue(valueStructure);
                newProperty.setResourceValue(valueResource);

                // get the old property values
                CmsProperty oldProperty = (CmsProperty)activeProperties.get(curPropDef.getName());
                if (oldProperty == null) {
                    // property was not set, create new empty property object
                    oldProperty = new CmsProperty();
                    oldProperty.setName(curPropDef.getName());
                }

                boolean writeStructureValue = false;
                boolean writeResourceValue = false;
                String oldValue = oldProperty.getStructureValue();
                String newValue = newProperty.getStructureValue();

                // write the structure value if the existing structure value is not null and we want to delete the structure value
                writeStructureValue = (oldValue != null && newProperty.isDeleteStructureValue());
                // or if we want to write a value which is neither the delete value or an empty value
                writeStructureValue |= !newValue.equals(oldValue)
                    && !"".equalsIgnoreCase(newValue)
                    && !CmsProperty.DELETE_VALUE.equalsIgnoreCase(newValue);
                // set the structure value explicitly to null to leave it as is in the database
                if (!writeStructureValue) {
                    newProperty.setStructureValue(null);
                }

                oldValue = oldProperty.getResourceValue();
                newValue = newProperty.getResourceValue();

                // write the resource value if the existing resource value is not null and we want to delete the resource value
                writeResourceValue = (oldValue != null && newProperty.isDeleteResourceValue());
                // or if we want to write a value which is neither the delete value or an empty value
                writeResourceValue |= !newValue.equals(oldValue)
                    && !"".equalsIgnoreCase(newValue)
                    && !CmsProperty.DELETE_VALUE.equalsIgnoreCase(newValue);
                // set the resource value explicitly to null to leave it as is in the database
                if (!writeResourceValue) {
                    newProperty.setResourceValue(null);
                }

                if (writeStructureValue || writeResourceValue) {
                    // add property to list only if property values have changed
                    propertiesToWrite.add(newProperty);
                }
            }
            if (propertiesToWrite.size() > 0) {
                // lock resource if autolock is enabled
                checkLock(getParamResource());
                //write the new property values
                getCms().writePropertyObjects(getParamResource(), propertiesToWrite);
            }
        } finally {
            if (useTempfileProject) {
                switchToCurrentProject();
            }
        }
        return true;
    }

}