bool blOpenForm; // this tracks all the way through initialisation whether the form should open.
public frmDataBuffer()
{
blOpenForm = true;
InitializeComponent();
myFileFuncs = new FileFunctions();
myStringFuncs = new StringFunctions();
myLaunchConfig = new BufferToolLaunchConfig();
if (!myLaunchConfig.XMLFound)
{
MessageBox.Show("XML file 'DataBuffer.xml' not found; form cannot load.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
blOpenForm = false;
}
if (!myLaunchConfig.XMLLoaded)
{
MessageBox.Show("Error loading XML File 'DataBuffer.xml'; form cannot load.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
blOpenForm = false;
}
if (blOpenForm)
{
string strXMLFolder = myFileFuncs.GetDirectoryName(Settings.Default.XMLFile);
bool blOnlyDefault = true;
int intCount = 0;
if (myLaunchConfig.ChooseConfig) // If we are allowed to choose, check if there are multiple profiles.
// If there is only the default XML file in the directory, launch the form. Otherwise the user has to choose.
{
foreach (string strFileName in myFileFuncs.GetAllFilesInDirectory(strXMLFolder))
{
if (myFileFuncs.GetFileName(strFileName).ToLower() != "databuffer.xml" && myFileFuncs.GetExtension(strFileName).ToLower() == "xml")
{
// is it the default?
intCount++;
if (myFileFuncs.GetFileName(strFileName) != myLaunchConfig.DefaultXML)
{
blOnlyDefault = false;
}
}
}
if (intCount > 1)
{
blOnlyDefault = false;
}
}
if (myLaunchConfig.ChooseConfig && !blOnlyDefault)
{
// User has to choose the configuration file first.
using (var myConfigForm = new frmChooseConfig(strXMLFolder, myLaunchConfig.DefaultXML))
{
var result = myConfigForm.ShowDialog();
if (result == System.Windows.Forms.DialogResult.OK)
{
strConfigFile = strXMLFolder + "\\" + myConfigForm.ChosenXMLFile;
}
else
{
MessageBox.Show("No XML file was chosen; form cannot load.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
blOpenForm = false;
}
}
}
else
{
strConfigFile = strXMLFolder + "\\" + myLaunchConfig.DefaultXML; // don't allow the user to choose, just use the default.
// Just check it exists, though.
if (!myFileFuncs.FileExists(strConfigFile))
{
MessageBox.Show("The default XML file '" + myLaunchConfig.DefaultXML + "' was not found in the XML directory; form cannot load.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
blOpenForm = false;
}
}
}
if (blOpenForm)
{
// Firstly let's read the XML.
myConfig = new BufferToolConfig(strConfigFile); // Must now pass the correct XML name.
// Did we find the XML?
if (!myConfig.FoundXML)
{
MessageBox.Show("XML file not found; form cannot load.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
blOpenForm = false;
}
// Did it load OK?
else if (!myConfig.LoadedXML)
{
MessageBox.Show("Error loading XML File; form cannot load.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
blOpenForm = false;
}
}
// Close the form if there are any errors at this point.
if (!blOpenForm)
{
Load += (s, e) => Close();
return;
}
// Fix any illegal characters in the user name string
strUserID = myStringFuncs.StripIllegals(Environment.UserName, "_", false);
// We're all set to show the form. Set it up.
// Initialise all the helper classes.
theApplication = ArcMap.Application;
myArcMapFuncs = new ArcMapFunctions(theApplication);
myDataBufferFuncs = new DataBufferRoutine(theApplication, strConfigFile);
myFileFuncs = new FileFunctions();
// Now fill up the menu with the required layers.
// Firstly check for missing layers.
MapLayers theInputLayers = myConfig.InputLayers;
List <string> MissingLayerList = new List <string>();
foreach (MapLayer aLayer in theInputLayers)
{
if (!myArcMapFuncs.LayerExists(aLayer.LayerName)) // We do not accept group layers.
{
MissingLayerList.Add(aLayer.LayerName);
}
else
{
lstInput.Items.Add(aLayer.DisplayName);
}
}
// Tell the user that there's a problem if there is one.
if (MissingLayerList.Count > 0)
{
string strMessage = "Warning: ";
if (MissingLayerList.Count == 1)
{
strMessage = "the layer " + MissingLayerList[0] + " is not loaded in the Table of Contents.";
}
else if (MissingLayerList.Count > 1)
{
strMessage = "the following layers are not loaded in the Table of Contents: ";
foreach (string aLayer in MissingLayerList)
{
strMessage = strMessage + aLayer + ", ";
}
strMessage = strMessage.Substring(0, strMessage.Length - 2) + "."; // Trim the last comma and space; add a full stop.
}
MessageBox.Show(strMessage, "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
// Set the default for clear log file.
chkClearLog.Checked = myConfig.DefaultClearLog;
}
private void btnOK_Click(object sender, EventArgs e)
{
this.Cursor = Cursors.WaitCursor;
// Do we have a selection? If not, remind the user and exit.
if (lstInput.SelectedItems.Count == 0)
{
MessageBox.Show("Please select at least one layer.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Cursor = Cursors.Default;
return;
}
// Define the log file
string strLogFile = myConfig.LogFilePath + "\\DataBuffer_" + strUserID + ".log";
// Delete if requested
if (chkClearLog.Checked)
{
bool blDeleted = myFileFuncs.DeleteFile(strLogFile);
if (!blDeleted)
{
MessageBox.Show("Cannot delete log file. Please make sure it is not open in another window");
return;
}
}
//this.btnOK.Enabled = false;
this.Enabled = false;
myArcMapFuncs.ToggleDrawing(false);
myArcMapFuncs.ToggleTOC(false);
// Request the output file from the user.
string strOutputFile = "None";
bool blDone = false;
while (!blDone)
{
strOutputFile = myArcMapFuncs.GetOutputFileName(myConfig.OutputLayer.Format, myConfig.DefaultPath);
if (strOutputFile != "None")
{
// Does this output file already exist?
if (myArcMapFuncs.FeatureclassExists(strOutputFile))
{
DialogResult confirmOverwrite = MessageBox.Show("The output file already exists. Do you want to overwrite it?", "Data Buffer", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (confirmOverwrite == System.Windows.Forms.DialogResult.Yes)
{
// Delete the existing file
//myArcMapFuncs.DeleteFeatureclass(strOutputFile);
blDone = true;
}
}
else
{
blDone = true; // It's a new file
}
}
else
{
// User pressed Cancel - return to main menu.
this.Cursor = Cursors.Default;
this.Enabled = true;
myArcMapFuncs.ToggleDrawing(true);
myArcMapFuncs.ToggleTOC(true);
return;
}
}
// Find the selected map layers.
MapLayers Selectedlayers = new MapLayers();
MapLayers AllMapLayers = myConfig.InputLayers;
foreach (string strSelectedItem in lstInput.SelectedItems)
{
// Find the relevant map layer and add it to the collection.
foreach (MapLayer aLayer in AllMapLayers)
{
if (aLayer.DisplayName == strSelectedItem)
{
Selectedlayers.Add(aLayer);
}
}
}
// Set up the data buffer functions class.
myDataBufferFuncs = new DataBufferRoutine(theApplication, strConfigFile);
myDataBufferFuncs.InputLayers = Selectedlayers;
myDataBufferFuncs.OutputLayer = myConfig.OutputLayer;
// *** RUN THE FUNCTION ***
long intResult = myDataBufferFuncs.RunDataBuffer(strOutputFile, strLogFile, this);
// Report the result
if (intResult != -999)
{
myFileFuncs.WriteLine(strLogFile, "---------------------------------------------------------------------------");
myFileFuncs.WriteLine(strLogFile, "Process complete. The new buffer layer has " + intResult.ToString() + " records.");
myFileFuncs.WriteLine(strLogFile, "---------------------------------------------------------------------------");
}
else
{
myFileFuncs.WriteLine(strLogFile, "---------------------------------------------------------------------------");
myFileFuncs.WriteLine(strLogFile, "Process could not complete successfully due to errors.");
myFileFuncs.WriteLine(strLogFile, "---------------------------------------------------------------------------");
}
// Finish off.
this.Cursor = Cursors.Default;
this.Enabled = true;
if (intResult != -999)
{
DialogResult dlResult = MessageBox.Show("Process complete. Do you wish to close the form?", "Data Buffer", MessageBoxButtons.YesNo);
if (dlResult == System.Windows.Forms.DialogResult.Yes)
{
this.Close();
}
else
{
this.BringToFront();
}
}
else
{
this.BringToFront();
}
Process.Start("notepad.exe", strLogFile);
// Any required tidying up.
Selectedlayers = null;
AllMapLayers = null;
myArcMapFuncs.ToggleDrawing(true);
myArcMapFuncs.ToggleTOC(true);
}