/**
* Implemented method from BaseAdapter class. This method returns the actual data associated with
* a row in the list. In this case we return the field along with the field value as a custom
* object. We subsequently add the View which displays the value to this object so we can retrieve
* it when applying edits.
*/
public Object getItem(int position) {
// get field associated with the position from the editableFieldIndexes
// array created at startup
int fieldIndex = this.editableFieldIndexes[position];
AttributeItem row = null;
// check to see if we have already created an attribute item if not
// create
// one
if (items[position] == null) {
// create new Attribute item for persisting the data for subsequent
// events
row = new AttributeItem();
row.setField(this.fields[fieldIndex]);
Object value =
this.featureSet.getGraphics()[0].getAttributeValue(fields[fieldIndex].getName());
row.setValue(value);
items[position] = row;
} else {
// reuse existing item to ensure View instance is kept.
row = items[position];
}
return row;
}
/**
* Implemented method from BaseAdapter class. This is the main method for returning a View which
* corresponds to a row in the list. This calls the getItem() method to get the data. It is called
* multiple times by the ListView and may be improved on by saving the previous result.
*/
public View getView(int position, View convertView, ViewGroup parent) {
View container = null;
AttributeItem item = (AttributeItem) getItem(position);
// check field type
// TODO if you want to support domains, add checks here and use the
// createSpinnerViewFromArray to create spinners
if (item.getField().getName().equals(this.typeIdFieldName)) {
// This is the featurelayers type field
container = lInflator.inflate(R.layout.item_spinner, null);
// get the types name for this feature from the available values
String typeStringValue = this.typeMap.get(item.getValue().toString()).getName();
Spinner spinner =
createSpinnerViewFromArray(container, item.getField(), typeStringValue, this.typeNames);
item.setView(spinner);
// TODO set listener to change types associated domain fields if
// required
} else if (FieldType.determineFieldType(item.getField()) == FieldType.DATE) {
// create date picker for date fields
container = lInflator.inflate(R.layout.item_date, null);
long date = Long.parseLong(item.getValue().toString());
Button dateButton = createDateButtonFromLongValue(container, item.getField(), date);
item.setView(dateButton);
} else {
// create number and text fields
// View object for saving in the AttrbuteItem once it has been set
// up, for
// accessing later when we apply edits.
View valueView = null;
if (FieldType.determineFieldType(item.getField()) == FieldType.STRING) {
// get the string specific layout
container = lInflator.inflate(R.layout.item_text, null);
valueView = createAttributeRow(container, item.getField(), item.getValue());
} else if (FieldType.determineFieldType(item.getField()) == FieldType.NUMBER) {
// get the number specific layout
container = lInflator.inflate(R.layout.item_number, null);
valueView = createAttributeRow(container, item.getField(), item.getValue());
} else if (FieldType.determineFieldType(item.getField()) == FieldType.DECIMAL) {
// get the decimal specific layout
container = lInflator.inflate(R.layout.item_decimal, null);
valueView = createAttributeRow(container, item.getField(), item.getValue());
}
// set the rows view onto the item so it can be received when
// applying
// edits
item.setView(valueView);
}
return container;
}
/*
* Count the number of occurrences of attributes combination from the item sets in the ActionDetail
* list
*/
private void countOccurences(
ArrayList<AttributeItemSet> tempItemSet, ArrayList<ActionDetail> details) {
for (int i = 0; i < details.size(); i++) {
ActionDetail ad = details.get(i);
for (int j = 0; j < tempItemSet.size(); j++) {
AttributeItemSet tempAttrItemSet = tempItemSet.get(j);
boolean match = true;
for (int k = 0; k < tempAttrItemSet.getCandidateItemSet().size() && match == true; k++) {
AttributeItem attrItem = tempAttrItemSet.getCandidateItemSet().get(k);
if (attrItem.getAttrName() == "subject")
match = attrItem.getAttrValue().equals(ad.getSubject());
else if (attrItem.getAttrName() == "action")
match = attrItem.getAttrValue().equals(ad.getAction());
else if (attrItem.getAttrName() == "target")
match = attrItem.getAttrValue().equals(ad.getTarget());
else if (attrItem.getAttrName() == "desirability")
match =
attrItem.getAttrValue().equals(ad.getDesirability() >= 0 ? "positive" : "negative");
else if (attrItem.getAttrName() == "praiseworthiness")
match =
attrItem
.getAttrValue()
.equals(ad.getPraiseworthiness() >= 0 ? "positive" : "negative");
else if (attrItem.getAttrName() == "time")
match = attrItem.getAttrValue().equals(ad.getTime().getStrRealTime());
}
// if all attributes and values in the item set match the values in the action detail,
// increase
// the coverage for the item set
if (match) {
tempAttrItemSet.increaseCoverage();
}
}
}
}
