/**
* Helper method to create a spinner for a field and insert it into the View container. This uses,
* the String[] to create the list, and selects the value that is passed in from the list (the
* features value). Can be used for domains as well as types.
*/
Spinner createSpinnerViewFromArray(View container, Field field, Object value, String[] values) {
TextView fieldAlias = (TextView) container.findViewById(R.id.field_alias_txt);
Spinner spinner = (Spinner) container.findViewById(R.id.field_value_spinner);
fieldAlias.setText(field.getAlias());
spinner.setPrompt(field.getAlias());
ArrayAdapter<String> spinnerAdapter =
new ArrayAdapter<String>(this.context, android.R.layout.simple_spinner_item, values);
spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(spinnerAdapter);
// set current selection based on the value passed in
spinner.setSelection(spinnerAdapter.getPosition(value.toString()));
return spinner;
}
/**
* @author lilin
* @date 2012-9-19 下午2:26:54
* @annotation 属性是否可编辑
*/
public static boolean isFieldValidForEditing(Field field) {
int fieldType = field.getFieldType();
if (field.isEditable()
&& fieldType != Field.esriFieldTypeOID
&& fieldType != Field.esriFieldTypeGeometry
&& fieldType != Field.esriFieldTypeBlob
&& fieldType != Field.esriFieldTypeRaster
&& fieldType != Field.esriFieldTypeGUID
&& fieldType != Field.esriFieldTypeXML) {
return true;
}
return false;
}
/**
* Helper method to add the field alias and the fields value into columns of a view using standard
* id names. If the field has a length set, then this is used to constrain the EditText's
* allowable characters. No validation is applied here, it is assumed that the container has this
* set already (in XML).
*/
View createAttributeRow(View container, Field field, Object value) {
TextView fieldAlias = (TextView) container.findViewById(R.id.field_alias_txt);
EditText fieldValue = (EditText) container.findViewById(R.id.field_value_txt);
fieldAlias.setText(field.getAlias());
// set the length of the text field and its value
if (field.getLength() > 0) {
InputFilter.LengthFilter filter = new InputFilter.LengthFilter(field.getLength());
fieldValue.setFilters(new InputFilter[] {filter});
}
Log.d(AttributeEditorActivity.TAG, "value is null? =" + (value == null));
Log.d(AttributeEditorActivity.TAG, "value=" + value);
if (value != null) {
fieldValue.setText(value.toString(), BufferType.EDITABLE);
} else {
fieldValue.setText("", BufferType.EDITABLE);
}
return fieldValue;
}
/**
* Helper method to create a date button, with appropriate onClick and onDateSet listeners to
* handle dates as a long (milliseconds since 1970), it uses the locale and presents a button with
* the date and time in short format.
*/
Button createDateButtonFromLongValue(View container, Field field, long date) {
TextView fieldAlias = (TextView) container.findViewById(R.id.field_alias_txt);
Button dateButton = (Button) container.findViewById(R.id.field_date_btn);
fieldAlias.setText(field.getAlias());
Calendar c = Calendar.getInstance();
c.setTimeInMillis(date);
dateButton.setText(formatter.format(c.getTime()));
addListenersToDatebutton(dateButton);
return dateButton;
}
public static FieldType determineFieldType(Field field) {
if (field.getFieldType() == Field.esriFieldTypeString) {
return FieldType.STRING;
} else if (field.getFieldType() == Field.esriFieldTypeSmallInteger
|| field.getFieldType() == Field.esriFieldTypeInteger) {
return FieldType.NUMBER;
} else if (field.getFieldType() == Field.esriFieldTypeSingle
|| field.getFieldType() == Field.esriFieldTypeDouble) {
return FieldType.DECIMAL;
} else if (field.getFieldType() == Field.esriFieldTypeDate) {
return FieldType.DATE;
}
return null;
}
/**
* Helper method to set attributes on a graphic. Only sets the attributes on the newGraphic
* variable if the value has changed. Returns true if the value has changed and has been set on
* the graphic.
*
* @return boolean hasValueChanged
*/
public static boolean setAttribute(
Map<String, Object> attrs,
Graphic oldGraphic,
Field field,
String value,
DateFormat formatter) {
boolean hasValueChanged = false;
// if its a string, and it has changed from the oldGraphic value
if (FieldType.determineFieldType(field) == FieldType.STRING) {
if (!value.equals(oldGraphic.getAttributeValue(field.getName()))) {
// set the value as it is
attrs.put(field.getName(), value);
hasValueChanged = true;
}
} else if (FieldType.determineFieldType(field) == FieldType.NUMBER) {
// if its an empty string, its a 0 number value (nulls not
// supported), check this is a
// change before making it a 0
if (value.equals("") && oldGraphic.getAttributeValue(field.getName()) != Integer.valueOf(0)) {
// set a null value on the new graphic
attrs.put(field.getName(), new Integer(0));
hasValueChanged = true;
} else {
// parse as an int and check this is a change
int intValue = Integer.parseInt(value);
if (intValue
!= Integer.parseInt(oldGraphic.getAttributeValue(field.getName()).toString())) {
attrs.put(field.getName(), Integer.valueOf(intValue));
hasValueChanged = true;
}
}
} else if (FieldType.determineFieldType(field) == FieldType.DECIMAL) {
// if its an empty string, its a 0 double value (nulls not
// supported), check this is a
// change before making it a 0
if ((value.equals("")
&& oldGraphic.getAttributeValue(field.getName()) != Double.valueOf(0))) {
// set a null value on the new graphic
attrs.put(field.getName(), new Double(0));
hasValueChanged = true;
} else {
// parse as an double and check this is a change
double dValue = Double.parseDouble(value);
if (dValue
!= Double.parseDouble(oldGraphic.getAttributeValue(field.getName()).toString())) {
attrs.put(field.getName(), Double.valueOf(dValue));
hasValueChanged = true;
}
}
} else if (FieldType.determineFieldType(field) == FieldType.DATE) {
// if its a date, get the milliseconds value
Calendar c = Calendar.getInstance();
long dateInMillis = 0;
try {
// parse to a double and check this is a change
c.setTime(formatter.parse(value));
dateInMillis = c.getTimeInMillis();
if (dateInMillis
!= Long.parseLong(oldGraphic.getAttributeValue(field.getName()).toString())) {
attrs.put(field.getName(), Long.valueOf(dateInMillis));
hasValueChanged = true;
}
} catch (ParseException e) {
// do nothing
}
}
// }
return hasValueChanged;
}