public void Edit(List<Snippet> editingTheseSnippets)
{
if (comboBox1.Items.Contains(PropertyValue.MULTIPLE_VALUES))
comboBox1.Items.Remove(PropertyValue.MULTIPLE_VALUES);
// if there's no change, don't redo this processing
if (this.propertySnippet == null || editingTheseSnippets.Equals(this.editingTheseSnippets))
return;
this.editingTheseSnippets = editingTheseSnippets;
UpdatePropertyList();
// cycle through the currentSnippets
// to make sure that each one shares the propertyValue
PropertyValue hopingFor = null; // the first propertyValue we find. The other
// ones should match hopingFor
bool areAllTheSame = true;
foreach (Snippet snippet in editingTheseSnippets)
{
Snippet propertyRaw = null;
PropertyValue property = null;
try
{
propertyRaw = snippet.GetPropertyValue(propertySnippet);
}
catch (MultiplePropertiesSelectedException) {
// this is only ONE type of multiple properties, when the
// snippet sits under multiple children of the property
property = PropertyValue.MULTIPLE_VALUES;
areAllTheSame = false;
break;
}
// translate the null to an undefined prop
if (propertyRaw == null)
property = PropertyValue.UNDEFINED_PROPERTY;
else
property = new PropertyValue(propertyRaw);
// if it's the first time around
if (hopingFor == null)
hopingFor = property;
else
{
if (!hopingFor.Equals(property))
{
// this is the OTHER type of multiple properties,
// when several snippets in the selection group have
// different values of the property.
areAllTheSame = false;
break;
}
}
}
try
{
// we're selecting, so we have to shut off the events that
// are for user selection
suspendAfterSelected = true;
if (!areAllTheSame)
{
comboBox1.Items.Add(PropertyValue.MULTIPLE_VALUES);
comboBox1.SelectedItem = PropertyValue.MULTIPLE_VALUES;
}
else
{
if (comboBox1.Items.Contains(PropertyValue.MULTIPLE_VALUES))
comboBox1.Items.Remove(PropertyValue.MULTIPLE_VALUES);
foreach (PropertyValue val in comboBox1.Items)
{
if (val.Equals(hopingFor))
{
comboBox1.SelectedItem = val;
break;
}
}
}
}
finally {
// turn events back on
suspendAfterSelected = false;
}
}
void SelectProperty(PropertyValue selectedVal, Snippet snippet, Snippet currentValue)
{
if (selectedVal == PropertyValue.UNDEFINED_PROPERTY)
{
DialogResult okay = DialogResult.Yes;
if (snippet.ParentCount == 1)
{
okay = MessageBox.Show(
"You are about to permanently delete " + snippet.Title + ". " +
"Are you sure?", MainForm.DialogCaption, MessageBoxButtons.YesNo);
}
if (okay == DialogResult.Yes)
currentValue.RemoveChildSnippet(snippet);
}
else
{
if (currentValue != selectedVal.Snippet)
snippet.MoveSnippet(currentValue, selectedVal.Snippet);
}
}
void comboBox1_OnKeyUpEnter()
{
string newText = comboBox1.Text;
if (newText.Equals(PropertyValue.MULTIPLE_VALUES.ToString()) || newText.Equals(PropertyValue.UNDEFINED_PROPERTY.ToString()))
return;
bool isNew = true;
foreach (PropertyValue value in comboBox1.Items) {
if (value.ToString().Equals(newText)) {
isNew = false;
comboBox1.SelectedItem = value;
break;
}
}
if (isNew)
{
DialogResult result = MessageBox.Show("Property value " + newText + " does not exist. Create snippet?", MainForm.DialogCaption, MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
Snippet newValue = propertySnippet.AddChildSnippet();
newValue.Title = newText;
PropertyValue value = new PropertyValue(newValue);
comboBox1.Items.Add(value);
comboBox1.SelectedItem = value;
}
}
else {
}
}
void SelectProperty(PropertyValue selectedVal, Snippet snippet, List<Snippet> currentValues)
{
DialogResult okay = DialogResult.Yes;
if (selectedVal == PropertyValue.UNDEFINED_PROPERTY) {
if (currentValues.Count == snippet.ParentCount) {
okay = MessageBox.Show(
"You are about to permanently delete " + snippet.Title + ". " +
"Are you sure?", MainForm.DialogCaption, MessageBoxButtons.YesNo);
}
if (okay == DialogResult.Yes)
{
foreach (Snippet currentValue in currentValues)
{
currentValue.RemoveChildSnippet(snippet);
}
}
}
// if it's already got this value, then just remove all the other ones
else if (currentValues.Contains(selectedVal.Snippet))
{
foreach (Snippet currentValue in currentValues)
{
if (currentValue != selectedVal.Snippet) {
currentValue.RemoveChildSnippet(snippet);
}
}
}
else {
// first add it to the new value
selectedVal.Snippet.AddChildSnippet(snippet);
// and now delete the old ones
foreach (Snippet currentValue in currentValues)
{
currentValue.RemoveChildSnippet(snippet);
}
}
}
public void UpdatePropertyList()
{
comboBox1.Items.Clear();
comboBox1.Items.Add(PropertyValue.UNDEFINED_PROPERTY);
//if (editingTheseSnippets != null)
// comboBox1.Items.Add(PropertyValue.MULTIPLE_VALUES);
foreach (Snippet child in propertySnippet.Children)
{
PropertyValue value = new PropertyValue(child);
comboBox1.Items.Add(value);
}
label1.Text = propertySnippet.Title;
}
