Author: abelevich Date: 2007-05-28 14:13:40 -0400 (Mon, 28 May 2007) New Revision: 909 Added: trunk/sandbox-samples/scrollable-grid-demo/src/main/java/org/richfaces/demo/datagrid/bean/ChannelDataModel.java Modified: trunk/sandbox-samples/scrollable-grid-demo/src/main/java/org/richfaces/demo/datagrid/bean/SelectionBean.java Log: Added: trunk/sandbox-samples/scrollable-grid-demo/src/main/java/org/richfaces/demo/datagrid/bean/ChannelDataModel.java =================================================================== --- trunk/sandbox-samples/scrollable-grid-demo/src/main/java/org/richfaces/demo/datagrid/bean/ChannelDataModel.java (rev 0) +++ trunk/sandbox-samples/scrollable-grid-demo/src/main/java/org/richfaces/demo/datagrid/bean/ChannelDataModel.java 2007-05-28 18:13:40 UTC (rev 909) @@ -0,0 +1,171 @@ +/* + * Copyright + * Copyright (c) Exadel,Inc. 2006 + * All rights reserved. + * + * History + * $Source: /cvs-master/intralinks-jsf-comps/web-projects/data-view-grid-demo/src/com/exadel/jsf/demo/datagrid/bean/ChannelDataModel.java,v $ + * $Revision: 1.4 $ + */ + +package org.richfaces.demo.datagrid.bean; + +import java.io.Serializable; +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +import org.richfaces.demo.datagrid.model.Channel; +import org.richfaces.demo.datagrid.model.Issue; +import org.richfaces.model.DataRange; +import org.richfaces.model.ScrollableGridDataModel2; +import org.richfaces.model.SortOrder; +import org.richfaces.model.snapshot.ObjectLocator; + +/** + * Example data model. Uses {@link Channel} instance as data storage + * + * @author Maksim Kaszynski + * + */ +public class ChannelDataModel extends ScrollableGridDataModel2 { + + /** + * Data range implementation. Wraps query result + * @author Maksim Kaszynski + * + */ + public static class ChannelDataRange extends DataRange { + + private List <Issue> window; + + public ChannelDataRange(int startRow, int endRow, SortOrder sortOrder, List <Issue> window) { + super(startRow, endRow, sortOrder); + this.window = window; + } + + /** + * get loaded object + * @see com.exadel.jsf.model.DataRange#getRowData(int) + */ + @Override + public Object getRowData(int index) { + return window.get(index - getStartRow()); + } + } + + /** + * Minimize LIST queries. Locate objects by their IDs + * @author Maksim Kaszynski + * + */ + public class IssueLocator implements ObjectLocator { + + public Collection findObjects(Collection ids) { + System.out.println("IssueLocator.findObjects()" + ids); + + //sort of find by ids + List <Issue> issues = new ArrayList<Issue>(ids.size()); + for (Object key : ids) { + Integer id = (Integer) key; + Issue issue = getChannel().findById(id); + issues.add(issue); + } + + return issues; + } + + public Serializable getObjectId(Object object) { + Issue issue = (Issue) object; + Integer id = issue.getIndex(); + return id; + } + + } + + private ObjectLocator objectLocator = new IssueLocator(); + private Channel channel; + private int rowIndex; + + /** + * Load part of channel. + */ + @Override + protected DataRange createDataRange(int startRow, int endRow, + SortOrder sortOrder) { + //access storage to get data + List <Issue> window = getChannel().executeQuery(startRow, endRow, sortOrder); + System.out.println("ChannelDataModel.createDataRange()"); + return new ChannelDataRange(startRow, endRow, sortOrder, window); + } + + /** + * @see javax.faces.model.DataModel#getRowCount() + */ + @Override + public int getRowCount() { + return getChannel().size(); + } + + + @Override + public Object getWrappedData() { + return getChannel(); + } + + /** + * @see javax.faces.model.DataModel#isRowAvailable() + */ + @Override + public boolean isRowAvailable() { + return rowIndex < getRowCount(); + } + + @Override + public void setWrappedData(Object data) { + setChannel((Channel) data); + } + + /** + * @return the channel + */ + public Channel getChannel() { + return channel; + } + + /** + * @param channel the channel to set + */ + public void setChannel(Channel channel) { + this.channel = channel; + } + + /** + * @return the rowIndex + */ + public int getRowIndex() { + return rowIndex; + } + + /** + * @param rowIndex the rowIndex to set + */ + public void setRowIndex(int rowIndex) { + this.rowIndex = rowIndex; + } + + /** + * @return the objectLocator + */ + public ObjectLocator getObjectLocator() { + return objectLocator; + } + + /** + * @param objectLocator the objectLocator to set + */ + public void setObjectLocator(ObjectLocator objectLocator) { + this.objectLocator = objectLocator; + } + +} Modified: trunk/sandbox-samples/scrollable-grid-demo/src/main/java/org/richfaces/demo/datagrid/bean/SelectionBean.java =================================================================== --- trunk/sandbox-samples/scrollable-grid-demo/src/main/java/org/richfaces/demo/datagrid/bean/SelectionBean.java 2007-05-28 18:13:31 UTC (rev 908) +++ trunk/sandbox-samples/scrollable-grid-demo/src/main/java/org/richfaces/demo/datagrid/bean/SelectionBean.java 2007-05-28 18:13:40 UTC (rev 909) @@ -1,31 +1,89 @@ +/* + * Copyright + * Copyright (c) Exadel,Inc. 2006 + * All rights reserved. + * + * History + * $Source: /cvs-master/intralinks-jsf-comps/web-projects/data-view-grid-demo/src/com/exadel/jsf/demo/datagrid/bean/SelectionBean.java,v $ + * $Revision: 1.19 $ + */ + package org.richfaces.demo.datagrid.bean; +import javax.faces.event.ActionEvent; -import java.util.List; - import org.richfaces.demo.datagrid.model.Channel; +import org.richfaces.demo.datagrid.model.Issue; +import org.richfaces.model.ScrollableGridDataModel2; +import org.richfaces.model.visual.ScrollableGridVisualModel; - -public class SelectionBean{ +/** + * @author Maksim Kaszynski + * + */ +public class SelectionBean { - List dataModel; + private ScrollableGridVisualModel visualModel; - Channel channel; + private ScrollableGridDataModel2 dataModel; + private Channel channel; - public SelectionBean(){ - System.out.println("create SelectionBean"); - } + private String key; - public List getDataModel() { + private int id; + + + public ScrollableGridDataModel2 getDataModel() { return dataModel; } - public void setDataModel(List dataModel) { + public void setDataModel(ScrollableGridDataModel2 dataModel) { this.dataModel = dataModel; } + public ScrollableGridVisualModel getVisualModel() { + return visualModel; + } + + /** + * @param visualModel the visualModel to set + */ + public void setVisualModel(ScrollableGridVisualModel visualModel) { + this.visualModel = visualModel; + } + + public SelectionBean() { + + } + + public void setKeyz(ActionEvent e) { + System.out.println("SelectionBean.setKeyz() " + key + "id " + id); + Channel channel = (Channel) getDataModel().getWrappedData (); + Issue issue = channel.getIndex().get(id); + if (issue != null) { + channel.getIndex().remove(issue.getIndex()); + channel.getIssues().remove(issue); + } + } + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public String getKey() { + return key; + } + + public void setKey(String key) { + this.key = key; + } + public Channel getChannel() { return channel; } @@ -33,5 +91,5 @@ public void setChannel(Channel channel) { this.channel = channel; } +} -}