/*
* Copyright (c) 2012, salesforce.com, inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided
* that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of conditions and the
* following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or other materials provided with the distribution.
*
* Neither the name of salesforce.com, inc. nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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package com.salesforce.dataloader.ui.mapping;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import com.salesforce.dataloader.ui.MappingDialog;
import com.sforce.soap.partner.Field;
/**
* This class implements the sorting for the SforceTable
*/
public class SforceViewerSorter extends ViewerSorter {
private static final int ASCENDING = 0;
private static final int DESCENDING = 1;
private int column = 0;
private int direction = ASCENDING;
/**
* Does the sort. If it's a different column from the previous sort, do an ascending sort. If it's the same column
* as the last sort, toggle the sort direction.
*
* @param column
*/
public void doSort(int column) {
if (column == this.column) {
// Same column as last sort; toggle the direction
direction = 1 - direction;
} else {
// New column; do an ascending sort
this.column = column;
direction = ASCENDING;
}
}
/**
* Compares the object for sorting
*/
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
int rc = 0;
Field f1 = (Field)e1;
Field f2 = (Field)e2;
// Determine which column and do the appropriate sort
switch (column) {
case MappingDialog.FIELD_LABEL:
rc = collator.compare(f1.getLabel(), f2.getLabel());
break;
case MappingDialog.FIELD_NAME:
rc = collator.compare(f1.getName(), f2.getName());
break;
case MappingDialog.FIELD_TYPE:
rc = collator.compare(f1.getType().toString(), f2.getType().toString());
break;
}
// If descending order, flip the direction
if (direction == DESCENDING) rc = -rc;
return rc;
}
}