Part of my project is write text editor that used for type some rule and my application compile and run it. Writing compiler was end and release beta version. In final version we must add undo and redo in text editor.I use file and save it periodically for text editor. How to design undo and redo to my text editor? What is change in stru...
I have a simple document-based application that simply creates a custom XML file. It uses an Outline View to navigate the XML document. When an item in the Outline View is selected a custom view is displayed as a sub view of the document view that allows the user to enter in data. On one of the views has a NSTextField. It has its "Al...
In Qt's undo framework, you can have a stack of QUndoCommand instances. Each of these describes an action in the user interface. In our application, we have a set of views working on a set of models, some in combination, and we often have more than one view working on the same set of models. I'm now looking at the ability to undo acti...
I have a following requirement for a very complex UI. (Complex here means there are lot of controls in the form [approximately 100]). I am using MVVM (if my problem requires it to slightly go away from MVVM I am ok with it) My question is for Editable ComboBox and TextBox. But I would say I like to hear a common algorithm which will fit ...
Greetings, I am relatively new to WPF and have an issue relating to validation with DataGrid control. I have read this article (http://msdn.microsoft.com/en-us/magazine/ff714593.aspx) which covers three different ways to validate, but none of them seem to address how to prevent setting a value or calling a undo/redo command before all v...
Hi I'm about to add new functionality to application which I'm currently writting. I need to write a undo/redo fnctionality. However 90% of our application is ready and I don't know what is the best way to implementing this functionality without affectig(too much ) code which has been already created. ...