libreccm-legacy/ccm-cms/src/com/arsdigita/cms/ui/ItemPropertySheet.java

386 lines
12 KiB
Java
Executable File

/*
* Copyright (C) 2001-2004 Red Hat Inc. All Rights Reserved.
*
* 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.
*
* 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 com.arsdigita.cms.ui;
import com.arsdigita.bebop.PageState;
import com.arsdigita.bebop.PropertySheet;
import com.arsdigita.bebop.PropertySheetModel;
import com.arsdigita.bebop.PropertySheetModelBuilder;
import com.arsdigita.cms.ContentItem;
import com.arsdigita.cms.ItemSelectionModel;
import com.arsdigita.domain.DomainService;
import com.arsdigita.persistence.DataObject;
import com.arsdigita.util.LockableImpl;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.StringTokenizer;
import com.arsdigita.globalization.GlobalizedMessage;
import com.arsdigita.cms.util.GlobalizationUtil;
/**
* <span style="color:red">Deprecated</span>.
* @deprecated Use {@link com.arsdigita.toolbox.ui.DomainObjectPropertySheet}
*/
public class ItemPropertySheet extends PropertySheet {
public static final String versionId = "$Id: ItemPropertySheet.java 287 2005-02-22 00:29:02Z sskracic $ by $Author: sskracic $, $DateTime: 2004/08/17 23:15:09 $";
private List m_props;
private ItemSelectionModel m_itemModel;
private AttributeFormatter m_toStringFormatter;
private AttributeFormatter m_recursiveFormatter;
/**
* Construct a new ItemPropertySheet
*
* @param itemModel The item selection model which feeds items to this
* property sheet
*
* @deprecated
*/
public ItemPropertySheet(ItemSelectionModel itemModel) {
super(new ItemModelBuilder());
m_itemModel = itemModel;
m_props = new LinkedList();
m_toStringFormatter = new SimpleAttributeFormatter();
m_recursiveFormatter = new RecursiveAttributeFormatter();
getColumn(0).setVAlign("top");
getColumn(0).setAlign("left");
getColumn(1).setVAlign("top");
getColumn(1).setAlign("left");
}
/**
* Construct a new ItemPropertySheet
*
* @param itemModel The item selection model which feeds items to this
* property sheet
* @param valueOutputEscape The value of the label-value pair(i.e.,
* column[1])'s output-escaping
*
* @deprecated
*/
public ItemPropertySheet(ItemSelectionModel itemModel, boolean valueOutputEscape) {
super(new ItemModelBuilder(), valueOutputEscape);
m_itemModel = itemModel;
m_props = new LinkedList();
m_toStringFormatter = new SimpleAttributeFormatter();
m_recursiveFormatter = new RecursiveAttributeFormatter();
getColumn(0).setVAlign("top");
getColumn(0).setAlign("left");
getColumn(1).setVAlign("top");
getColumn(1).setAlign("left");
}
/**
* Add a new property to the sheet. The sheet will automatically
* retrieve an attribute of the item and call toString() on it
*
* @param label The label for the attribute
* @param attribute The name for the attribute. Could be a simple name
* or a compound path, such as "foo.bar.baz"
* @deprecated
*/
public void add(String label, String attribute) {
add(GlobalizationUtil.globalize(label), attribute);
}
/**
* Add a new property to the sheet. The sheet will automatically
* retrieve an attribute of the item and call toString() on it
*
* @param label The label for the attribute
* @param attribute The name for the attribute. Could be a simple name
* or a compound path, such as "foo.bar.baz"
*/
public void add(GlobalizedMessage label, String attribute) {
// Determine if we are dealing with a simple string or a complex
// path
if(attribute.indexOf('.') == -1) {
add(label, attribute, m_toStringFormatter);
} else {
add(label, attribute, m_recursiveFormatter);
}
}
/**
* Add a new property to the sheet. The sheet will use an
* AttributeFormatter to convert the value of the attribute
* to a String.
*
* @param label The label for the attribute
* @param attribute The name for the attribute
* @param formatter An instance of AttributeFormatter
* @deprecated
*/
public void add(String label, String attribute, AttributeFormatter f) {
add(GlobalizationUtil.globalize(label), attribute, f);
}
/**
* Add a new property to the sheet. The sheet will use an
* AttributeFormatter to convert the value of the attribute
* to a String.
*
* @param label The label for the attribute
* @param attribute The name for the attribute
* @param formatter An instance of AttributeFormatter
*/
public void add(GlobalizedMessage label, String attribute, AttributeFormatter f) {
m_props.add(new Property(label, attribute, f));
}
/**
* @return The item selection model
* @deprecated
*/
public ItemSelectionModel getItemSelectionModel() {
return m_itemModel;
}
/**
* @return The iterator over all properties
* @deprecated
*/
protected Iterator properties() {
return m_props.iterator();
}
/**
* An interface which can transform some property to a string.
* Most of the time, classes which implement this interface will just
* return <code>item.get(attribute).toString()</code>
* <p>In case of associations, however, more complicated processing
* will be required.
* @deprecated
*/
public interface AttributeFormatter {
/**
* Retrieve the string value for the specified attribute
* of the item.
*
* @param item The item
* @param attribute The name of the attribute to get
* @deprecated
*/
String format(ContentItem item, String attribute, PageState state);
}
// Associates a label with the attribute and the formatter
/** @deprecated */
private static class Property {
private GlobalizedMessage m_label;
private String m_attr;
private AttributeFormatter m_formatter;
public Property(GlobalizedMessage l, String a, AttributeFormatter f) {
m_label = l;
m_attr = a;
m_formatter = f;
}
/**
* @deprecated use getGlobalizedLabel instead
*/
public String getLabel() {
return m_label.getKey();
}
public GlobalizedMessage getGlobalizedLabel() { return m_label; }
public String getAttribute() { return m_attr; }
public AttributeFormatter getFormatter() { return m_formatter; }
}
// Build up the item model from the iterator over all properties
/** @deprecated */
private static class ItemPropertiesModel implements PropertySheetModel {
private ContentItem m_item;
private PageState m_state;
private Iterator m_props;
private Property m_current;
private final static String ERROR =
"No current property. Make sure that nextRow() was called at least once.";
/** @deprecated */
public ItemPropertiesModel(ContentItem item, Iterator props, PageState state) {
m_item = item;
m_props = props;
m_state = state;
m_current = null;
}
/** @deprecated */
public boolean nextRow() {
if(!m_props.hasNext()) {
return false;
}
m_current = (Property)m_props.next();
return true;
}
/**
* @deprecated use getGlobalizedLabel() instead
*/
public String getLabel() {
return getGlobalizedLabel().getKey();
}
public GlobalizedMessage getGlobalizedLabel() {
if(m_current == null) {
throw new IllegalStateException(ERROR);
}
return m_current.getGlobalizedLabel();
}
/** @deprecated */
public String getValue() {
if(m_current == null) {
throw new IllegalStateException(ERROR);
}
return m_current.getFormatter()
.format(m_item, m_current.getAttribute(), m_state);
}
}
// Builds an ItemPropertiesModel
/** @deprecated */
private static class ItemModelBuilder extends LockableImpl
implements PropertySheetModelBuilder {
public PropertySheetModel makeModel(PropertySheet sheet, PageState state) {
ItemPropertySheet s = (ItemPropertySheet)sheet;
return new ItemPropertiesModel (
(ContentItem)s.getItemSelectionModel().getSelectedObject(state),
s.properties(),
state
);
}
}
// Abstract formatter which maintains a "default" string
/** @deprecated */
private static abstract class DefaultAttributeFormatter
extends DomainService
implements AttributeFormatter {
private String m_default;
/** @deprecated */
public DefaultAttributeFormatter() {
this("<i>unknown</i>");
}
/** @deprecated */
public DefaultAttributeFormatter(String def) {
m_default = def;
}
/** @deprecated */
public String getDefaultString() {
return m_default;
}
}
// A simple attribute formatter that calls get on the item with the
// specified attribute
/** @deprecated */
private static class SimpleAttributeFormatter
extends DefaultAttributeFormatter {
/** @deprecated */
public SimpleAttributeFormatter() {
super();
}
/** @deprecated */
public SimpleAttributeFormatter(String def) {
super(def);
}
/** @deprecated */
public String format(ContentItem item, String attribute, PageState state) {
Object value = get(item, attribute);
if(value == null) {
return getDefaultString();
} else {
return value.toString();
}
}
}
// A more advanced attribute formatter. Folows the path to the value
// by following the names in the attribute string. For example, if
// the string says "foo.bar.baz", the formatter will attempt to call
// item.get("foo").get("bar").get("baz");
/** @deprecated */
private static class RecursiveAttributeFormatter
extends DefaultAttributeFormatter {
/** @deprecated */
public RecursiveAttributeFormatter() {
super();
}
/** @deprecated */
public RecursiveAttributeFormatter(String def) {
super(def);
}
/** @deprecated */
public String format(ContentItem item, String attribute, PageState state) {
StringTokenizer tokenizer = new StringTokenizer(attribute, ".");
String token = null;
Object value = getDataObject(item);
while(tokenizer.hasMoreTokens()) {
token = tokenizer.nextToken();
// Null check
value = ((DataObject)value).get(token);
if(value == null)
return getDefaultString();
}
// Extract leaf value
if(token == null || value == null)
return getDefaultString();
return value.toString();
}
}
}