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refactoring: GreenshotCore/GreenshotEditor

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@731 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
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JKlingen 2010-07-27 20:18:52 +00:00
commit 019b482195
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Greenshot/Forms/SaveImageFileDialog.cs
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/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2010 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections;
using System.Drawing;
using System.IO;
using System.Reflection;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using Greenshot.Capturing;
using Greenshot.Configuration;
using Greenshot.Helpers;
using Greenshot.Plugin;
namespace Greenshot.Forms {
/// <summary>
/// Custom dialog for saving images, wraps SaveFileDialog.
/// For some reason SFD is sealed :(
/// </summary>
public class SaveImageFileDialog {
private static log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(SaveImageFileDialog));
protected SaveFileDialog saveFileDialog;
private FilterOption[] filterOptions;
private DirectoryInfo eagerlyCreatedDirectory;
private ICaptureDetails captureDetails = null;
public SaveImageFileDialog() {
init();
}
public SaveImageFileDialog(ICaptureDetails captureDetails) {
this.captureDetails = captureDetails;
init();
}
private void init() {
saveFileDialog = new SaveFileDialog();
applyFilterOptions();
saveFileDialog.InitialDirectory = Path.GetDirectoryName(AppConfig.GetInstance().Output_FileAs_Fullpath);
// The following property fixes a problem that the directory where we save is locked (bug #2899790)
saveFileDialog.RestoreDirectory = true;
saveFileDialog.CheckPathExists = false;
saveFileDialog.AddExtension = false;
ApplySuggestedValues();
}
private void applyFilterOptions() {
prepareFilterOptions();
AppConfig conf = AppConfig.GetInstance();
string fdf = "";
int preselect = 0;
for(int i=0; i<filterOptions.Length; i++){
FilterOption fo = filterOptions[i];
fdf += fo.Label + "|*." + fo.Extension + "|";
if(conf.Output_FileAs_Fullpath.EndsWith(fo.Extension, StringComparison.CurrentCultureIgnoreCase)) preselect = i;
}
fdf = fdf.Substring(0, fdf.Length-1);
saveFileDialog.Filter = fdf;
saveFileDialog.FilterIndex = preselect + 1;
}
private void prepareFilterOptions() {
filterOptions = new FilterOption[RuntimeConfig.SupportedImageFormats.Length];
for(int i=0; i<filterOptions.Length; i++){
string ifo = RuntimeConfig.SupportedImageFormats[i];
if (ifo.ToLower().Equals("jpeg")) ifo = "Jpg"; // we dont want no jpeg files, so let the dialog check for jpg
FilterOption fo = new FilterOption();
fo.Label = ifo.ToUpper();
fo.Extension = ifo.ToLower();
filterOptions.SetValue(fo, i);
}
}
/// <summary>
/// filename exactly as typed in the filename field
/// </summary>
public string FileName {
get {return saveFileDialog.FileName;}
set {saveFileDialog.FileName = value;}
}
/// <summary>
/// initial directory of the dialog
/// </summary>
public string InitialDirectory {
get {return saveFileDialog.InitialDirectory;}
set {saveFileDialog.InitialDirectory = value;}
}
/// <summary>
/// returns filename as typed in the filename field with extension.
/// if filename field value ends with selected extension, the value is just returned.
/// otherwise, the selected extension is appended to the filename.
/// </summary>
public string FileNameWithExtension {
get {
string fn = saveFileDialog.FileName;
// if the filename contains a valid extension, which is the same like the selected filter item's extension, the filename is okay
if(fn.EndsWith(Extension,System.StringComparison.CurrentCultureIgnoreCase)) return fn;
// otherwise we just add the selected filter item's extension
else return fn + "." + Extension;
}
set {
FileName = Path.GetFileNameWithoutExtension(value);
Extension = Path.GetExtension(value);
}
}
/// <summary>
/// gets or sets selected extension
/// </summary>
public string Extension {
get {
return filterOptions[saveFileDialog.FilterIndex-1].Extension;
}
set {
for(int i=0; i<filterOptions.Length; i++) {
if(value.Equals(filterOptions[i].Extension, System.StringComparison.CurrentCultureIgnoreCase)) {
saveFileDialog.FilterIndex = i + 1;
}
}
}
}
public DialogResult ShowDialog() {
DialogResult ret = saveFileDialog.ShowDialog();
CleanUp();
return ret;
}
/// <summary>
/// sets InitialDirectory and FileName property of a SaveFileDialog smartly, considering default pattern and last used path
/// </summary>
/// <param name="sfd">a SaveFileDialog instance</param>
private void ApplySuggestedValues() {
AppConfig conf = AppConfig.GetInstance();
string rootDir = GetRootDirFromConfig();
// build the full path and set dialog properties
string filenameFromPattern = FilenameHelper.GetFilenameWithoutExtensionFromPattern(conf.Output_File_FilenamePattern, captureDetails);
string fullpath = Path.Combine(rootDir, filenameFromPattern);
string dir = CreateDirectoryIfNotExists(fullpath);
FileName = Path.GetFileNameWithoutExtension(fullpath);
Extension = Path.GetExtension(fullpath);
InitialDirectory = dir;
/*string path = conf.Output_FileAs_Fullpath;
if(path.Length == 0) {
// first save -> apply default storage location and pattern
saveFileDialog.InitialDirectory = conf.Output_File_Path;
saveFileDialog.FileName = FilenameHelper.GetFilenameWithoutExtensionFromPattern(conf.Output_File_FilenamePattern);
} else {
// check whether last used path matches default pattern
string patternStr = Path.Combine(conf.Output_File_Path, conf.Output_File_FilenamePattern);
patternStr = patternStr.Replace(@"\",@"\\"); // escape backslashes for regex
IDictionaryEnumerator en = FilenameHelper.Placeholders.GetEnumerator();
while(en.MoveNext()) {
patternStr = patternStr.Replace(en.Key.ToString(),en.Value.ToString());
}
Regex rg = new Regex(patternStr);
Match m = rg.Match(path);
// rootDir serves as root for pattern based saving
String rootDir = (m.Success) ? path.Substring(0, m.Index) : Path.GetDirectoryName(path);
String fileNameFromPattern = FilenameHelper.GetFilenameWithoutExtensionFromPattern(conf.Output_File_FilenamePattern);
String appendDir = Path.GetDirectoryName(fileNameFromPattern);
String fileName = Path.GetFileName(fileNameFromPattern);
String recommendedDir = Path.Combine(rootDir, appendDir);
// due to weird behavior of SaveFileDialog, we cannot use a path in the FileName property (causes InitialDirectory to be ignored)
// thus we create the recommended dir eagerly, assign it to InitialDirectory, and clean up afterwards, if it has not been used
DirectoryInfo di = new DirectoryInfo(recommendedDir);
if(!di.Exists) {
di = Directory.CreateDirectory(recommendedDir);
eagerlyCreatedDirectory = di;
}
InitialDirectory = recommendedDir;
FileName = fileName;
Extension = Path.GetExtension(fileName);
}*/
}
private string GetRootDirFromConfig() {
string rootDir = AppConfig.GetInstance().Output_File_Path;
// the idea was to let the user choose whether to suggest the dir
// configured in the settings dialog or just remember the latest path.
// however, we'd need an extra option for this, making the settings dialog
// less comprehensive -> perhaps later....
/*if(rootDir.Length == 0) { // <-- no, wouldn't work just like that
// no default storage location, use latest path or desktop
rootDir = conf.Output_FileAs_Fullpath;
if(rootDir.Length == 0) {
rootDir = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
} else {
rootDir = Path.GetDirectoryName(rootDir);
}
} else {
// storage location is configured
rootDir = conf.Output_File_Path;
}*/
return rootDir;
}
private class FilterOption {
public string Label;
public string Extension;
}
private void CleanUp() {
if(eagerlyCreatedDirectory!=null
&& eagerlyCreatedDirectory.GetFiles().Length==0
&& eagerlyCreatedDirectory.GetDirectories().Length==0) {
eagerlyCreatedDirectory.Delete();
eagerlyCreatedDirectory = null;
}
}
private string CreateDirectoryIfNotExists(string fullPath) {
string dirName = null;
try {
dirName = Path.GetDirectoryName(fullPath);
DirectoryInfo di = new DirectoryInfo(dirName);
if(!di.Exists) {
di = Directory.CreateDirectory(dirName);
eagerlyCreatedDirectory = di;
}
} catch (Exception e) {
LOG.Error("Error in CreateDirectoryIfNotExists",e);
}
return dirName;
}
}
}