devtime/AddContextForm.cs at master · exom-dev/devtime · GitHub

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usingSystem;
usingSystem.Collections.Generic;
usingEto.Drawing;
usingEto.Forms;

namespacedevtime
{
publicclassAddContextForm:Dialog<bool>
{
publicstring?ContextName{get;privateset;}
privatereadonlyTextBox_textBox;

publicAddContextForm()
{
Title="Add project";
Icon=IconLoader.LoadIcon("add.png");
Resizable=false;

_textBox=newTextBox{MaxLength=255,Width=150};

varokButton=newButton{Text="OK",Width=70,Height=23};
okButton.Click+=(sender,e)=>OkClick();

varcancelButton=newButton{Text="Cancel",Width=70,Height=23};
cancelButton.Click+=(sender,e)=>Close(false);

DefaultButton=okButton;
AbortButton=cancelButton;

varbuttonLayout=newStackLayout
{
Orientation=Orientation.Horizontal,
Spacing=5,
Items={okButton,cancelButton}
};

Content=newStackLayout
{
Padding=newPadding(10,5),
Spacing=5,
HorizontalContentAlignment=HorizontalAlignment.Stretch,
Items=
{
newLabel{Text="Project name:"},
_textBox,
newStackLayout{HorizontalContentAlignment=HorizontalAlignment.Right,Items={buttonLayout}}
}
};
}

privatevoidOkClick()
{
stringtext=_textBox.Text.Trim();

if(string.IsNullOrWhiteSpace(text))
{
MessageBox.Show(this,"The project name cannot be empty.","devtime error",MessageBoxButtons.OK,MessageBoxType.Error);
return;
}

if(text.Length>255||!IsValidProjectName(text))
{
MessageBox.Show(this,"Invalid project name (must only contain a-z, A-Z, 0-9 and underscores, with the first character not being a digit, and max 255 characters).\nPlease try another name.","devtime error",MessageBoxButtons.OK,MessageBoxType.Error);
return;
}

List<string>contexts=DB.ListTables();
if(contexts.Contains(text))
{
MessageBox.Show(this,$"A project named '{text}' already exists.\nPlease try another name.","devtime error",MessageBoxButtons.OK,MessageBoxType.Error);
return;
}

ContextName=text;
Close(true);
}

privateboolIsValidProjectName(stringstr)
{
if(string.IsNullOrEmpty(str))returnfalse;
for(inti=0;i<str.Length;++i)
{
charc=str[i];
if(i==0&&char.IsDigit(c))returnfalse;
if(!char.IsLetterOrDigit(c)&&c!='_')returnfalse;
}
returntrue;
}
}
}