Author: abelevich Date: 2007-05-24 14:35:53 -0400 (Thu, 24 May 2007) New Revision: 876 Added: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/DataRange.java trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/GridRange.java trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/IterationBounds.java trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/SequenceRange.java Modified: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/ScrollableGridDataModel.java Log: Added: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/DataRange.java =================================================================== --- trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/DataRange.java (rev 0) +++ trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/DataRange.java 2007-05-24 18:35:53 UTC (rev 876) @@ -0,0 +1,75 @@ +/* + * Copyright + * Copyright (c) Exadel,Inc. 2006 + * All rights reserved. + * + * History + * $Source: /cvs-master/intralinks-jsf-comps/components/data-view-grid/src/component/com/exadel/jsf/model/DataRange.java,v $ + * $Revision: 1.5 $ + */ + +package org.richfaces.model; + + +/** + * Data window wrapper. + * Instance should be able to access any object within current data window. + * Subclasses can be built around any data source, (e.g. ResultSet, ScrollableResult or simple List). + * + * + * @author Maksim Kaszynski + */ +public abstract class DataRange { + private SortOrder sortOrder; + private int startRow; + private int endRow; + + /** + * Construct a DataRange object. + * @param startRow + * @param endRow + * @param sortOrder + */ + public DataRange(int startRow, int endRow, SortOrder sortOrder) { + super(); + this.sortOrder = sortOrder; + this.startRow = startRow; + this.endRow = endRow; + } + /** + * @return the endRow + */ + public int getEndRow() { + return endRow; + } + /** + * @return the sortOrder + */ + public SortOrder getSortOrder() { + return sortOrder; + } + /** + * @return the startRow + */ + public int getStartRow() { + return startRow; + } + + /** + * test if specified absolute index lies within this data range + * @param index + * @return + */ + public boolean hit(int index) { + return index >= startRow && index < endRow; + } + + /** + * Implementations should define this method to get object at given absolute position. + * + * @param index - absolute index of record within entire recordset, NOT relative to the start of data range. + * @return object at given position within whole recordset. + */ + public abstract Object getRowData(int index); + +} Added: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/GridRange.java =================================================================== --- trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/GridRange.java (rev 0) +++ trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/GridRange.java 2007-05-24 18:35:53 UTC (rev 876) @@ -0,0 +1,28 @@ +/** + * + */ +package org.richfaces.model; + +import org.ajax4jsf.ajax.repeat.Range; + +/** + * @author maksim + * + */ +public abstract class GridRange implements Range { + + private SortOrder sortOrder; + + public abstract IterationBounds getIterationBounds(int rowCount); + + public SortOrder getSortOrder() { + return sortOrder; + } + + public void setSortOrder(SortOrder sortOrder) { + this.sortOrder = sortOrder; + } + + + +} Added: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/IterationBounds.java =================================================================== --- trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/IterationBounds.java (rev 0) +++ trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/IterationBounds.java 2007-05-24 18:35:53 UTC (rev 876) @@ -0,0 +1,63 @@ +/* + * Copyright + * Copyright (c) Exadel,Inc. 2006 + * All rights reserved. + * + * History + * $Source: /cvs-master/intralinks-jsf-comps/components/data-view-grid/src/component/com/exadel/jsf/model/IterationBounds.java,v $ + * $Revision: 1.3 $ + */ + +package org.richfaces.model; + +import java.io.Serializable; + +public class IterationBounds implements Serializable { + + public interface RowVisitor { + public void visit(int rowIndex); + } + + private static final long serialVersionUID = 1L; + + private int startRow; + private int endRow; + + public IterationBounds() { + } + public IterationBounds(int startRow, int endRow) { + super(); + this.startRow = startRow; + this.endRow = endRow; + } + + public boolean within(int i) { + return i >= startRow && i < endRow; + } + + public void iterate(RowVisitor rowVisitor) { + for (int i = startRow; i < endRow; i++) { + rowVisitor.visit(i); + } + } + + public int size() { + return endRow - startRow; + } + + public int getEndRow() { + return endRow; + } + + public int getStartRow() { + return startRow; + } + /** + * @see java.lang.Object#toString() + */ + + public String toString() { + // TODO Auto-generated method stub + return "[" + startRow + "," + endRow + "]"; + } +} \ No newline at end of file Modified: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/ScrollableGridDataModel.java =================================================================== --- trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/ScrollableGridDataModel.java 2007-05-24 18:35:20 UTC (rev 875) +++ trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/ScrollableGridDataModel.java 2007-05-24 18:35:53 UTC (rev 876) @@ -11,6 +11,9 @@ public class ScrollableGridDataModel extends SequenceDataModel{ + private SortOrder sortOrder; + + public ScrollableGridDataModel(DataModel model) { super(model); } @@ -19,4 +22,12 @@ super.walk(context, visitor, range, argument); } + + public SortOrder getSortOrder(){ + return sortOrder; + } + + public void setSortOrder(SortOrder sortOrder){ + this.sortOrder = sortOrder; + } } Added: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/SequenceRange.java =================================================================== --- trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/SequenceRange.java (rev 0) +++ trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/model/SequenceRange.java 2007-05-24 18:35:53 UTC (rev 876) @@ -0,0 +1,65 @@ +/** + * + */ +package org.richfaces.model; + +/** + * @author maksim + * + */ +public class SequenceRange extends GridRange { + + private int start; + private int end; + + public SequenceRange(int start, int end) { + super(); + this.start = start; + this.end = end; + } + + public int getStart() { + return start; + } + + public void setStart(int start) { + this.start = start; + } + + public int getEnd() { + return end; + } + + public void setEnd(int end) { + this.end = end; + } + + /* (non-Javadoc) + * @see com.exadel.jsf.model.GridRange#getIterationBounds(int) + */ + public IterationBounds getIterationBounds(int rowCount) { + int a = start, b = end; + + if (start > rowCount) { + a = rowCount; + } + + if (end > rowCount) { + b = rowCount; + } + if (b < 0) { + b = rowCount; + } + + if (a > b) { + int c = a; + + a = b; + b = c; + } + + + return new IterationBounds(a,b); + } + +}