Also let user decide what to do on expression evaluation error when creating a new column.
git-svn-id: http://google-refine.googlecode.com/svn/trunk@182 7d457c2a-affb-35e4-300a-418c747d4874
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@ -8,6 +8,7 @@ import com.metaweb.gridworks.commands.EngineDependentCommand;
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import com.metaweb.gridworks.model.AbstractOperation;
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import com.metaweb.gridworks.model.Project;
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import com.metaweb.gridworks.operations.ColumnAdditionOperation;
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import com.metaweb.gridworks.operations.TextTransformOperation;
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public class AddColumnCommand extends EngineDependentCommand {
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@Override
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@ -18,11 +19,13 @@ public class AddColumnCommand extends EngineDependentCommand {
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String expression = request.getParameter("expression");
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String headerLabel = request.getParameter("headerLabel");
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int columnInsertIndex = Integer.parseInt(request.getParameter("columnInsertIndex"));
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String onError = request.getParameter("onError");
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return new ColumnAdditionOperation(
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engineConfig,
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baseColumnName,
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expression,
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TextTransformOperation.stringToOnError(onError),
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headerLabel,
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columnInsertIndex
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);
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@ -27,8 +27,9 @@ import com.metaweb.gridworks.model.changes.ColumnAdditionChange;
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public class ColumnAdditionOperation extends EngineDependentOperation {
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private static final long serialVersionUID = -5672677479629932356L;
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final protected String _baseColumnName;
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final protected String _baseColumnName;
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final protected String _expression;
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final protected OnError _onError;
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final protected String _headerLabel;
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final protected int _columnInsertIndex;
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@ -40,6 +41,7 @@ public class ColumnAdditionOperation extends EngineDependentOperation {
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engineConfig,
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obj.getString("baseColumnName"),
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obj.getString("expression"),
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TextTransformOperation.stringToOnError(obj.getString("onError")),
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obj.getString("headerLabel"),
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obj.getInt("columnInsertIndex")
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);
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@ -47,15 +49,17 @@ public class ColumnAdditionOperation extends EngineDependentOperation {
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public ColumnAdditionOperation(
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JSONObject engineConfig,
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String baseColumnName,
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String baseColumnName,
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String expression,
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OnError onError,
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String headerLabel,
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int columnInsertIndex
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int columnInsertIndex
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) {
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super(engineConfig);
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_baseColumnName = baseColumnName;
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_expression = expression;
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_onError = onError;
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_headerLabel = headerLabel;
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_columnInsertIndex = columnInsertIndex;
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@ -72,6 +76,7 @@ public class ColumnAdditionOperation extends EngineDependentOperation {
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writer.key("columnInsertIndex"); writer.value(_columnInsertIndex);
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writer.key("baseColumnName"); writer.value(_baseColumnName);
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writer.key("expression"); writer.value(_expression);
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writer.key("onError"); writer.value(TextTransformOperation.onErrorToString(_onError));
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writer.endObject();
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}
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@ -136,7 +141,15 @@ public class ColumnAdditionOperation extends EngineDependentOperation {
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ExpressionUtils.bind(bindings, row, rowIndex, cell);
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Object v = eval.evaluate(bindings);
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if (ExpressionUtils.isNonBlankData(v)) {
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if (ExpressionUtils.isError(v)) {
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if (_onError == OnError.SetToBlank) {
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return false;
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} else if (_onError == OnError.KeepOriginal) {
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v = cell != null ? cell.value : null;
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}
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}
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if (v != null) {
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Cell newCell = new Cell(v, null);
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cellsAtRows.add(new CellAtRow(rowIndex, newCell));
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10
src/main/java/com/metaweb/gridworks/operations/OnError.java
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10
src/main/java/com/metaweb/gridworks/operations/OnError.java
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@ -0,0 +1,10 @@
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/**
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*
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*/
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package com.metaweb.gridworks.operations;
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public enum OnError {
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KeepOriginal,
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SetToBlank,
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StoreError
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}
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@ -21,12 +21,6 @@ import com.metaweb.gridworks.model.changes.CellChange;
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public class TextTransformOperation extends EngineDependentMassCellOperation {
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private static final long serialVersionUID = -7698202759999537298L;
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static public enum OnError {
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KeepOriginal,
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SetToBlank,
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StoreError
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}
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final protected String _expression;
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final protected OnError _onError;
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final protected boolean _repeat;
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@ -622,6 +622,16 @@ DataTableColumnHeaderUI.prototype._doAddColumn = function(initialExpression) {
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'<input bind="columnNameInput" size="40" />' +
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'</td>' +
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'</tr>' +
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'<tr>' +
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'<td width="1%" style="white-space: pre;">' +
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'On error' +
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'</td>' +
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'<td>' +
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'<input type="radio" name="create-column-dialog-onerror-choice" value="set-to-blank" checked /> set to blank ' +
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'<input type="radio" name="create-column-dialog-onerror-choice" value="store-error" /> store error ' +
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'<input type="radio" name="create-column-dialog-onerror-choice" value="keep-original" /> keep original' +
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'</td>' +
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'</tr>' +
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'<tr>' +
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'<td colspan="2">' + ExpressionPreviewDialog.generateWidgetHtml() + '</td>' +
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'</tr>' +
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@ -653,7 +663,8 @@ DataTableColumnHeaderUI.prototype._doAddColumn = function(initialExpression) {
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baseColumnName: self._column.headerLabel,
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expression: previewWidget.getExpression(true),
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headerLabel: columnName,
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columnInsertIndex: self._columnIndex + 1
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columnInsertIndex: self._columnIndex + 1,
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onError: $('input[name="create-column-dialog-onerror-choice"]:checked')[0].value
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},
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null,
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{ modelsChanged: true }
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