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OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

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/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * For further information about Alkacon Software, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.opencms.gwt.client.property;

import org.opencms.gwt.client.Messages;
import org.opencms.gwt.client.ui.CmsPopup;
import org.opencms.gwt.client.ui.CmsScrollPanel;
import org.opencms.gwt.client.ui.input.I_CmsFormWidget;
import org.opencms.gwt.client.ui.input.I_CmsHasGhostValue;
import org.opencms.gwt.client.ui.input.I_CmsStringModel;
import org.opencms.gwt.client.ui.input.form.CmsBasicFormField;
import org.opencms.gwt.client.util.CmsDomUtil;
import org.opencms.gwt.client.util.CmsDomUtil.Style;
import org.opencms.gwt.shared.CmsListInfoBean;
import org.opencms.gwt.shared.property.CmsClientProperty;
import org.opencms.gwt.shared.property.CmsClientProperty.Mode;
import org.opencms.gwt.shared.property.CmsPathValue;
import org.opencms.util.CmsPair;
import org.opencms.util.CmsStringUtil;
import org.opencms.util.CmsUUID;
import org.opencms.xml.content.CmsXmlContentProperty;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.google.common.base.Joiner;
import com.google.common.base.Objects;
import com.google.common.collect.BiMap;
import com.google.common.collect.HashBiMap;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.RepeatingCommand;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.logical.shared.BeforeSelectionEvent;
import com.google.gwt.event.logical.shared.BeforeSelectionHandler;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.event.shared.GwtEvent;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.event.shared.SimpleEventBus;
import com.google.gwt.user.client.ui.Widget;

/**
 * The sitemap entry editor class for the VFS mode.

* * @since 8.0.0 */ public class CmsVfsModePropertyEditor extends A_CmsPropertyEditor { /** The interval used for updating the height. */ public static final int UPDATE_HEIGHT_INTERVAL = 200; /** The map of tab names. */ private static BiMap tabs; /** The map of models of the fields. */ Map m_models = new HashMap(); /** Flag to control whether the properties should be editable. */ private boolean m_isReadOnly; /** The previous tab index. */ private int m_oldTabIndex = -1; /** The panel used for editing the properties. */ private CmsPropertyPanel m_panel; /** The properties of the entry. */ private Map m_properties; /** Flag which indicates whether the resource properties should be editable. */ private boolean m_showResourceProperties; /** * Creates a new sitemap entry editor instance for the VFS mode.

* * @param propConfig the property configuration * @param handler the sitemap entry editor handler */ public CmsVfsModePropertyEditor(Map propConfig, I_CmsPropertyEditorHandler handler) { super(propConfig, handler); m_properties = CmsClientProperty.makeLazyCopy(handler.getOwnProperties()); } static { tabs = HashBiMap.create(); tabs.put(Mode.effective, CmsPropertyPanel.TAB_SIMPLE); tabs.put(Mode.structure, CmsPropertyPanel.TAB_INDIVIDUAL); tabs.put(Mode.resource, CmsPropertyPanel.TAB_SHARED); } /** * @see org.opencms.gwt.client.property.A_CmsPropertyEditor#buildFields() */ @Override public void buildFields() { internalBuildConfiguredFields(); internalBuildFields(Mode.structure); if (m_showResourceProperties) { internalBuildFields(Mode.resource); } } /** * @see org.opencms.gwt.client.property.A_CmsPropertyEditor#createFormWidget(java.lang.String, java.util.Map) */ @Override public I_CmsFormWidget createFormWidget(String key, Map widgetParams) { I_CmsFormWidget widget = super.createFormWidget(key, widgetParams); if (m_isReadOnly) { widget.setEnabled(false); } return widget; } /** * @see org.opencms.gwt.client.property.A_CmsPropertyEditor#initializeWidgets(org.opencms.gwt.client.ui.CmsPopup) */ @Override public void initializeWidgets(final CmsPopup dialog) { super.initializeWidgets(dialog); dialog.setCaption(null); dialog.removePadding(); Scheduler.get().scheduleFixedDelay(new RepeatingCommand() { public boolean execute() { if (!getPropertyPanel().getTabPanel().isAttached() || !getPropertyPanel().getTabPanel().isVisible()) { return false; } updateHeight(dialog); return true; } }, UPDATE_HEIGHT_INTERVAL); } /** * Sets the "readonly" mode.

* * @param readonly if true, readonly mode will be enabled */ public void setReadOnly(boolean readonly) { m_isReadOnly = readonly; } /** * Sets the "show resource properties" flag which controls whether the resource value fields should be built.

* * @param showResourceProperties if true, the resource value fields will be build */ public void setShowResourceProperties(boolean showResourceProperties) { m_showResourceProperties = showResourceProperties; } /** * Returns the property panel.

* * @return the property panel */ protected CmsPropertyPanel getPropertyPanel() { return m_panel; } /** * Method which is called when the tab is switched.

* * @param toTab the tab to which the user is switching */ protected void handleSwitchTab(int toTab) { switch (toTab) { case 0: rebuildSimpleTab(); break; case 1: rebuildIndividualTab(); break; case 2: rebuildSharedTab(); break; default: break; } if (m_disabledReason != null) { disableInput(m_disabledReason); } else { m_form.validateAllFields(); } } /** * @see org.opencms.gwt.client.property.A_CmsPropertyEditor#setupFieldContainer() */ @Override protected void setupFieldContainer() { CmsListInfoBean info = m_handler.getPageInfo(); m_panel = new CmsPropertyPanel(m_showResourceProperties, info); String modeClass = m_handler.getModeClass(); if (modeClass != null) { m_panel.addStyleName(modeClass); } m_panel.addBeforeSelectionHandler(new BeforeSelectionHandler() { public void onBeforeSelection(BeforeSelectionEvent event) { int target = event.getItem().intValue(); handleSwitchTab(target); } }); m_form.setWidget(m_panel); } /** * Updates the panel height depending on the content of the current tab.

* * @param dialog the dialog for which the height should be updated */ protected void updateHeight(CmsPopup dialog) { int tabIndex = m_panel.getTabPanel().getSelectedIndex(); boolean changedTab = tabIndex != m_oldTabIndex; m_oldTabIndex = tabIndex; CmsScrollPanel tabWidget = m_panel.getTabPanel().getWidget(tabIndex); Element innerElement = tabWidget.getWidget().getElement(); int contentHeight = CmsDomUtil.getCurrentStyleInt(innerElement, Style.height); int spaceLeft = dialog.getAvailableHeight(0); int newHeight = Math.min(spaceLeft, contentHeight) + 50; if ((m_panel.getTabPanel().getOffsetHeight() != newHeight) || changedTab) { m_panel.getTabPanel().setHeight(newHeight + "px"); int selectedIndex = m_panel.getTabPanel().getSelectedIndex(); CmsScrollPanel widget = m_panel.getTabPanel().getWidget(selectedIndex); widget.setHeight((newHeight - 45) + "px"); widget.onResizeDescendant(); //dialog.center(); } } /** * Builds a single form field.

* * @param ownProps the entry's own properties * @param propName the property name * @param mode the mode which controls which kind of field will be built */ private void buildField(Map ownProps, final String propName, CmsClientProperty.Mode mode) { String entryId = m_handler.getId().toString(); CmsXmlContentProperty propDef = m_propertyConfig.get(propName); if (propDef == null) { String widget = CmsClientProperty.PROPERTY_TEMPLATE.equals(propName) ? "template" : "string"; propDef = new CmsXmlContentProperty( propName, "string", widget, "", null, null, null, null, null, null, null); } if (mode != Mode.effective) { propDef = propDef.withNiceName(propName); } CmsClientProperty ownProp = m_properties.get(propName); CmsPathValue pathValue = CmsClientProperty.getPathValue(ownProp, mode).prepend(entryId + "/" + propName + "/"); //CHECK: should fields other than NavText be really automatically allowed to be empty in navigation mode? String tab = tabs.get(mode); CmsBasicFormField field = CmsBasicFormField.createField( propDef, pathValue.getPath() + "#" + tab, this, Collections. emptyMap(), true); CmsPair defaultValueAndOrigin = getDefaultValueToDisplay(ownProp, mode); String defaultValue = ""; String origin = ""; if (defaultValueAndOrigin != null) { defaultValue = defaultValueAndOrigin.getFirst(); origin = defaultValueAndOrigin.getSecond(); } Widget w = (Widget)field.getWidget(); I_CmsStringModel model = getStringModel(pathValue); field.bind(model); boolean ghost = CmsStringUtil.isEmptyOrWhitespaceOnly(pathValue.getValue()); String initialValue = pathValue.getValue(); if (w instanceof I_CmsHasGhostValue) { ((I_CmsHasGhostValue)w).setGhostValue(defaultValue, ghost); if (ghost) { initialValue = null; } } boolean isShowingGhost = ghost && !CmsStringUtil.isEmpty(defaultValue); if (isShowingGhost) { field.getLayoutData().put("info", origin); } if (!ghost || isShowingGhost) { field.getLayoutData().put(CmsPropertyPanel.LD_DISPLAY_VALUE, "true"); } field.getLayoutData().put(CmsPropertyPanel.LD_PROPERTY, propName); m_form.addField(tab, field, initialValue); } /** * Creates a string model which uses a field of a CmsClientProperty for storing its value.

* * @param id the structure id * @param propName the property id * @param isStructure if true, the structure value field should be used, else the resource value field * * * @return the new model object */ private I_CmsStringModel createStringModel(final CmsUUID id, final String propName, final boolean isStructure) { final CmsClientProperty property = m_properties.get(propName); return new I_CmsStringModel() { private boolean m_active; private EventBus m_eventBus = new SimpleEventBus(); public HandlerRegistration addValueChangeHandler(ValueChangeHandler handler) { return m_eventBus.addHandler(ValueChangeEvent.getType(), handler); } /** * @see com.google.gwt.event.shared.HasHandlers#fireEvent(com.google.gwt.event.shared.GwtEvent) */ public void fireEvent(GwtEvent event) { m_eventBus.fireEvent(event); } public String getId() { return Joiner.on("/").join(id.toString(), propName, isStructure ? "S" : "R"); } public String getValue() { if (isStructure) { return property.getStructureValue(); } else { return property.getResourceValue(); } } public void setValue(String value, boolean notify) { if (!m_active) { m_active = true; try { String oldValue = getValue(); boolean changed = !Objects.equal(value, oldValue); if (isStructure) { property.setStructureValue(value); } else { property.setResourceValue(value); } if (notify && changed) { ValueChangeEvent.fire(this, value); } } finally { m_active = false; } } } }; } /** * Gets a pair of strings containing the default value to display for a given property and its source.

* * @param prop the property * @param mode the mode * * @return a pair of the form (defaultValue, origin) */ private CmsPair getDefaultValueToDisplay(CmsClientProperty prop, Mode mode) { if ((mode == Mode.structure) && !CmsStringUtil.isEmpty(prop.getResourceValue())) { String message = Messages.get().key(Messages.GUI_ORIGIN_SHARED_0); return CmsPair.create(prop.getResourceValue(), message); } CmsClientProperty inheritedProperty = m_handler.getInheritedProperty(prop.getName()); if (CmsClientProperty.isPropertyEmpty(inheritedProperty)) { return null; } CmsPathValue pathValue = inheritedProperty.getPathValue(mode); String message = Messages.get().key(Messages.GUI_ORIGIN_INHERITED_1, inheritedProperty.getOrigin()); return CmsPair.create(pathValue.getValue(), message); } /** * Creates a string model for a given property path value, and returns the same model if the same path value is passed in.

* * @param pathValue the path value * * @return the model for that path value */ private I_CmsStringModel getStringModel(CmsPathValue pathValue) { String path = pathValue.getPath(); I_CmsStringModel model = m_models.get(path); if (model == null) { String[] tokens = path.split("/"); String id = tokens[0]; String propName = tokens[1]; boolean isStructure = tokens[2].equals("S"); model = createStringModel(new CmsUUID(id), propName, isStructure); m_models.put(path, model); } return model; } /** * Builds the fields for the configured properties in the first tab.

*/ private void internalBuildConfiguredFields() { Map ownProps = m_handler.getOwnProperties(); List keys = new ArrayList(m_propertyConfig.keySet()); moveToTop(keys, CmsClientProperty.PROPERTY_NAVTEXT); moveToTop(keys, CmsClientProperty.PROPERTY_DESCRIPTION); moveToTop(keys, CmsClientProperty.PROPERTY_TITLE); for (String propName : keys) { buildField(ownProps, propName, Mode.effective); } } /** * * Builds the fields for a given mode.

* * @param mode the mode */ private void internalBuildFields(Mode mode) { Map ownProps = m_handler.getOwnProperties(); for (String propName : m_handler.getAllPropertyNames()) { buildField(ownProps, propName, mode); } } /** * Moves the given property name to the top of the keys if present.

* * @param keys the list of keys * @param propertyName the property name to move */ private void moveToTop(List keys, String propertyName) { if (keys.contains(propertyName)) { keys.remove(propertyName); keys.add(0, propertyName); } } /** * Rebuilds the "individual" tab.

*/ private void rebuildIndividualTab() { m_form.removeGroup(CmsPropertyPanel.TAB_INDIVIDUAL); CmsPropertyPanel panel = ((CmsPropertyPanel)m_form.getWidget()); panel.clearTab(CmsPropertyPanel.TAB_INDIVIDUAL); internalBuildFields(Mode.structure); m_form.renderGroup(CmsPropertyPanel.TAB_INDIVIDUAL); } /** * Rebuilds the "shared" tab.

*/ private void rebuildSharedTab() { m_form.removeGroup(CmsPropertyPanel.TAB_SHARED); CmsPropertyPanel panel = ((CmsPropertyPanel)m_form.getWidget()); panel.clearTab(CmsPropertyPanel.TAB_SHARED); internalBuildFields(Mode.resource); m_form.renderGroup(CmsPropertyPanel.TAB_SHARED); } /** * Rebuilds the simple tab.

*/ private void rebuildSimpleTab() { m_form.removeGroup(CmsPropertyPanel.TAB_SIMPLE); CmsPropertyPanel panel = ((CmsPropertyPanel)m_form.getWidget()); panel.clearTab(CmsPropertyPanel.TAB_SIMPLE); if (m_handler.hasEditableName()) { m_form.addField(CmsPropertyPanel.TAB_SIMPLE, createUrlNameField()); } internalBuildConfiguredFields(); m_form.renderGroup(CmsPropertyPanel.TAB_SIMPLE); } }





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