TableViewer表格内容编辑+下拉框可编辑

tv.setColumnProperties(new String[] { "name", "value" });//设定列的别名，新名字

final CellEditor[] cellEditors = new CellEditor[2];

cellEditors[0] = null;//第1列不可编辑

cmbVariable = new VariableComboBoxCellEditor(tv.getTable(), variableNames);//重写的一个下拉框

cellEditors[1] = cmbVariable;

tv.setCellEditors(cellEditors);

tv.setCellModifier(new ICellModifier() {

@Override

public boolean canModify(final Object element, final String property) {

return true;

}

private int getIndex(final String strItem) {

for (int i = 0; i < variableNames.length; i++) {

if (variableNames[i].equals(strItem)) {

return i;

}

}

return -1;

}

@Override

public Object getValue(final Object element, final String property) {

if (element instanceof ParameterValue) {

final ParameterValue p_v = (ParameterValue) element;

if (property.equals("value")) {

if (getIndex(p_v.getParameterValue()) == -1) {//如果下拉框市被编辑了，没有选择index，返回-1

return p_v.getParameterValue();

}

return getIndex(p_v.getParameterValue());

}

}

return null;

}

@Override

public void modify(final Object element, final String property, final Object value) {

final TableItem item = (TableItem) element;

final ParameterValue pvNew = (ParameterValue) item.getData();

String newValue = "";

if (property.equals("value")) {

if (value instanceof String) {

newValue = (String) value;

} else {

newValue = variableNames[(Integer) value];

}

pvNew.setParameterValue(newValue);

try {

setTestableProperty(testable, CoreConstants.VARIABLE_ID, ApplicationUtil.serialize(input));

} catch (final IOException e) {

// TODO

UIPlugin.log(e.getMessage(), IStatus.ERROR);

}

}

}

});

//重写下拉框，使之能获得被编辑的新值

// 重写下拉框,获取编辑的值

private class VariableComboBoxCellEditor extends ComboBoxCellEditor {

public VariableComboBoxCellEditor(final Composite parent, final String[] items) {

super(parent, items);

}

@Override

protected void doSetValue(final Object value) {

if (value instanceof String) {

((CCombo) getControl()).setText((String) value);

} else {

super.doSetValue(value);

}

}

@Override

protected Object doGetValue() {

final Object value = super.doGetValue();

if (value instanceof Integer && (Integer) value == -1) {

return ((CCombo) getControl()).getText();

}

return value;

}

}