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- Made removing facet a bit more interactive: the removed facet disappears right away.

Browse Source 
- Made list facets limit themselves to only 2000 choices, so not to overload the browser.
- Made list and range facets handle errors in expressions better.

git-svn-id: http://google-refine.googlecode.com/svn/trunk@287 7d457c2a-affb-35e4-300a-418c747d4874
This commit is contained in:
David Huynh 2010-03-12 20:08:50 +00:00
parent 00a81c5fc4
commit 67bac099f0
7 changed files with 217 additions and 137 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
src/main/java/com/metaweb/gridworks/browsing/facets/ListFacet.java
View File

@ -15,6 +15,8 @@ import com.metaweb.gridworks.browsing.filters.ExpressionEqualRowFilter;
import com.metaweb.gridworks.browsing.filters.RowFilter;
import com.metaweb.gridworks.expr.Evaluable;
import com.metaweb.gridworks.expr.MetaParser;
import com.metaweb.gridworks.expr.ParsingException;
import com.metaweb.gridworks.model.Column;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.util.JSONUtilities;
@ -31,8 +33,10 @@ public class ListFacet implements Facet {
protected String _name;
protected String _expression;
protected String _columnName;
protected int _cellIndex;
protected Evaluable _eval;
protected String _errorMessage;
// computed
protected List<NominalFacetChoice> _choices = new LinkedList<NominalFacetChoice>();
@ -50,6 +54,11 @@ public class ListFacet implements Facet {
writer.key("expression"); writer.value(_expression);
writer.key("columnName"); writer.value(_columnName);
if (_errorMessage != null) {
writer.key("error"); writer.value(_errorMessage);
} else if (_choices.size() > 2000) {
writer.key("error"); writer.value("Too many choices.");
} else {
writer.key("choices"); writer.array();
for (NominalFacetChoice choice : _choices) {
choice.write(writer, options);
@ -70,6 +79,7 @@ public class ListFacet implements Facet {
writer.key("c"); writer.value(_errorCount);
writer.endObject();
}
}
writer.endObject();
}
@ -80,12 +90,22 @@ public class ListFacet implements Facet {
_columnName = o.getString("columnName");
if (_columnName.length() > 0) {
_cellIndex = project.columnModel.getColumnByName(_columnName).getCellIndex();
Column column = project.columnModel.getColumnByName(_columnName);
if (column != null) {
_cellIndex = column.getCellIndex();
} else {
_errorMessage = "No column named " + _columnName;
}
} else {
_cellIndex = -1;
}
try {
_eval = MetaParser.parse(_expression);
} catch (ParsingException e) {
_errorMessage = e.getMessage();
}
_selection.clear();
JSONArray a = o.getJSONArray("selection");
@ -112,11 +132,21 @@ public class ListFacet implements Facet {
}
public RowFilter getRowFilter() {
return _selection.size() == 0 && !_selectBlank && !_selectError ? null :
new ExpressionEqualRowFilter(_eval, _cellIndex, createMatches(), _selectBlank, _selectError);
return
_eval == null ||
_errorMessage != null ||
(_selection.size() == 0 && !_selectBlank && !_selectError) ?
null :
new ExpressionEqualRowFilter(
_eval,
_cellIndex,
createMatches(),
_selectBlank,
_selectError);
}
public void computeChoices(Project project, FilteredRows filteredRows) {
if (_eval != null && _errorMessage == null) {
ExpressionNominalRowGrouper grouper =
new ExpressionNominalRowGrouper(_eval, _cellIndex);
@ -138,6 +168,7 @@ public class ListFacet implements Facet {
_blankCount = grouper.blankCount;
_errorCount = grouper.errorCount;
}
}
protected Object[] createMatches() {
Object[] a = new Object[_selection.size()];

28
src/main/java/com/metaweb/gridworks/browsing/facets/RangeFacet.java
View File

@ -11,6 +11,7 @@ import com.metaweb.gridworks.browsing.filters.ExpressionNumberComparisonRowFilte
import com.metaweb.gridworks.browsing.filters.RowFilter;
import com.metaweb.gridworks.expr.Evaluable;
import com.metaweb.gridworks.expr.MetaParser;
import com.metaweb.gridworks.expr.ParsingException;
import com.metaweb.gridworks.model.Column;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.util.JSONUtilities;
@ -19,8 +20,10 @@ public class RangeFacet implements Facet {
protected String _name;
protected String _expression;
protected String _columnName;
protected int _cellIndex;
protected Evaluable _eval;
protected String _errorMessage;
protected String _mode;
protected double _min;
@ -53,6 +56,9 @@ public class RangeFacet implements Facet {
writer.key("columnName"); writer.value(_columnName);
writer.key("mode"); writer.value(_mode);
if (_errorMessage != null) {
writer.key("error"); writer.value(_errorMessage);
} else {
if (!Double.isInfinite(_min) && !Double.isInfinite(_max)) {
writer.key("min"); writer.value(_min);
writer.key("max"); writer.value(_max);
@ -84,7 +90,7 @@ public class RangeFacet implements Facet {
writer.key("nonNumericCount"); writer.value(_nonNumericCount);
writer.key("blankCount"); writer.value(_blankCount);
writer.key("errorCount"); writer.value(_errorCount);
}
writer.endObject();
}
@ -92,9 +98,23 @@ public class RangeFacet implements Facet {
_name = o.getString("name");
_expression = o.getString("expression");
_columnName = o.getString("columnName");
_cellIndex = project.columnModel.getColumnByName(_columnName).getCellIndex();
if (_columnName.length() > 0) {
Column column = project.columnModel.getColumnByName(_columnName);
if (column != null) {
_cellIndex = column.getCellIndex();
} else {
_errorMessage = "No column named " + _columnName;
}
} else {
_cellIndex = -1;
}
try {
_eval = MetaParser.parse(_expression);
} catch (ParsingException e) {
_errorMessage = e.getMessage();
}
_mode = o.getString("mode");
if ("min".equals(_mode)) {
@ -126,7 +146,7 @@ public class RangeFacet implements Facet {
}
public RowFilter getRowFilter() {
if (_selected) {
if (_eval != null && _errorMessage == null && _selected) {
if ("min".equals(_mode)) {
return new ExpressionNumberComparisonRowFilter(
_eval, _cellIndex, _selectNumeric, _selectNonNumeric, _selectBlank, _selectError) {
@ -158,6 +178,7 @@ public class RangeFacet implements Facet {
}
public void computeChoices(Project project, FilteredRows filteredRows) {
if (_eval != null && _errorMessage == null) {
Column column = project.columnModel.getColumnByCellIndex(_cellIndex);
String key = "numeric-bin:" + _expression;
@ -191,4 +212,5 @@ public class RangeFacet implements Facet {
_blankCount = binner.blankCount;
_errorCount = binner.errorCount;
}
}
}

4
src/main/java/com/metaweb/gridworks/gel/Parser.java
View File

@ -106,7 +106,7 @@ public class Parser {
protected Evaluable parseFactor() throws ParsingException {
if (_token == null) {
throw makeException("Expression ends too early");
throw makeException("Expecting something more at end of expression");
}
Evaluable eval = null;
@ -170,7 +170,7 @@ public class Parser {
throw makeException("Missing )");
}
} else {
throw makeException("Missing number, string, identifier, or parenthesized expression");
throw makeException("Missing number, string, identifier, regex, or parenthesized expression");
}
while (_token != null) {

7
src/main/webapp/scripts/facets/list-facet.js
View File

@ -62,6 +62,7 @@ ListFacet.prototype.hasSelection = function() {
ListFacet.prototype.updateState = function(data) {
this._data = data;
if ("choices" in data) {
var selection = [];
var choices = data.choices;
for (var i = 0; i < choices.length; i++) {
@ -75,6 +76,7 @@ ListFacet.prototype.updateState = function(data) {
this._blankChoice = data.blankChoice || null;
this._errorChoice = data.errorChoice || null;
}
this.render();
};
@ -117,8 +119,11 @@ ListFacet.prototype.render = function() {
}
if (this._data == null) {
$('<div>').text("Loading...").addClass("facet-body-message").appendTo(bodyDiv);
bodyDiv.appendTo(container);
} else if ("error" in this._data) {
$('<div>').text(this._data.error).addClass("facet-body-message").appendTo(bodyDiv);
bodyDiv.appendTo(container);
bodyDiv.html("Loading...");
} else {
var selectionCount = this._selection.length
+ (this._blankChoice != null && this._blankChoice.s ? 1 : 0)

41
src/main/webapp/scripts/facets/range-facet.js
View File

@ -138,14 +138,11 @@ RangeFacet.prototype._initializeUI = function() {
var bodyDiv = $('<div></div>').addClass("facet-range-body").appendTo(container);
if (this._error) {
return;
}
this._histogramDiv = $('<div></div>').addClass("facet-range-histogram").appendTo(bodyDiv);
this._sliderDiv = $('<div></div>').addClass("facet-range-slider").appendTo(bodyDiv);
this._statusDiv = $('<div></div>').addClass("facet-range-status").appendTo(bodyDiv);
this._otherChoicesDiv = $('<div></div>').addClass("facet-range-other-choices").appendTo(bodyDiv);
this._messageDiv = $('<div>').text("Loading...").addClass("facet-range-message").appendTo(bodyDiv);
this._histogramDiv = $('<div>').addClass("facet-range-histogram").appendTo(bodyDiv);
this._sliderDiv = $('<div>').addClass("facet-range-slider").appendTo(bodyDiv);
this._statusDiv = $('<div>').addClass("facet-range-status").appendTo(bodyDiv);
this._otherChoicesDiv = $('<div>').addClass("facet-range-other-choices").appendTo(bodyDiv);
var onSlide = function(event, ui) {
switch (self._config.mode) {
@ -166,34 +163,27 @@ RangeFacet.prototype._initializeUI = function() {
self._updateRest();
};
var sliderConfig = {
range: "max",
min: this._config.min,
max: this._config.max,
value: 2,
stop: onStop,
slide: onSlide
};
if ("step" in this._config) {
sliderConfig.step = this._config.step;
}
switch (this._config.mode) {
case "min":
sliderConfig.range = "max";
sliderConfig.value = this._from;
sliderConfig.value = this._config.min;
break;
case "max":
sliderConfig.range = "min";
sliderConfig.value = this._to;
sliderConfig.value = this._config.max;
break;
default:
sliderConfig.range = true;
sliderConfig.values = [ this._from, this._to ];
sliderConfig.values = [ this._config.min, this._config.max ];
}
this._sliderDiv.slider(sliderConfig);
this._setRangeIndicators();
this._renderOtherChoices();
};
RangeFacet.prototype._renderOtherChoices = function() {
@ -276,6 +266,8 @@ RangeFacet.prototype._setRangeIndicators = function() {
RangeFacet.prototype.updateState = function(data) {
if ("min" in data && "max" in data) {
this._error = false;
this._config.min = data.min;
this._config.max = data.max;
this._config.step = data.step;
@ -304,6 +296,7 @@ RangeFacet.prototype.updateState = function(data) {
this._errorCount = data.errorCount;
} else {
this._error = true;
this._errorMessage = "error" in data ? data.error : "Unknown error.";
}
this.render();
@ -314,10 +307,22 @@ RangeFacet.prototype.render = function() {
this._initializeUI();
this._initializedUI = true;
}
if (this._error) {
this._messageDiv.text(this._errorMessage).show();
this._sliderDiv.hide();
this._histogramDiv.hide();
this._statusDiv.hide();
this._otherChoicesDiv.hide();
return;
}
this._messageDiv.hide();
this._sliderDiv.show();
this._histogramDiv.show();
this._statusDiv.show();
this._otherChoicesDiv.show();
this._sliderDiv.slider("option", "min", this._config.min);
this._sliderDiv.slider("option", "max", this._config.max);
this._sliderDiv.slider("option", "step", this._config.step);

11
src/main/webapp/scripts/project/browsing-engine.js
View File

@ -119,8 +119,17 @@ BrowsingEngine.prototype.removeFacet = function(facet) {
var update = facet.hasSelection();
for (var i = this._facets.length - 1;i >= 0; i--) {
if (this._facets[i].facet === facet) {
this._facets[i].elmt.remove();
var elmt = this._facets[i].elmt;
this._facets.splice(i, 1);
// This makes really big facet disappear right away. If you just call remove()
// then it takes a while for all the event handlers to get unwired, and the UI
// appear frozen.
elmt.hide();
window.setTimeout(function() {
elmt.remove();
}, 300);
break;
}
}

8
src/main/webapp/styles/project/browsing.css
View File

@ -37,6 +37,10 @@ li.facet-container {
border: 1px solid #ccc;
padding: 1px;
}
.facet-body-message {
margin: 1em;
color: #f88;
}
.facet-body-scrollable {
height: 20em;
overflow: auto;
@ -113,6 +117,10 @@ img.facet-choice-link {
border: 1px solid #ccc;
padding: 15px;
}
.facet-range-message {
margin: 1em;
color: #f88;
}
.facet-range-histogram {
margin: 10px 4px;
overflow: hidden;