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Analysis

• The goal of this task is to integrate the new text into Sophie with all existing old functionality and addition of new features.

Overview

• Handle Priority 2 and 3 tasks specified in HOT_TEXT_REDESIGN_R1.
  • Integrate text with new resources
  • Make persisters for all needed classes
  • Make AutoActions for all Operations in the Logic that change the text
  • Text and Text Layout performance
    • Use a profiler to find problems
    • Control memory consumption
  • Implement Chaining using the existing old functionality and the new design.
  • Implement Anchoring (as a separate task)
  • Extend the text usability documentation with proper uses of text by the client code.

Task requirements

• Implement the tasks specified in the Overview
• Anchoring is optional

Task result

• Source code
• Wiki page (text documentation)

Implementation idea

• Specified in the Overview section

Related

• HOT_TEXT_REDESIGN_R0
• HOT_TEXT_REDESIGN_R1

How to demo

• HOT_TEXT_REDESIGN_R1

Design

• Integration of the new text into Sophie
  • Models
    • GROUP_BOOK_MODEL_REDESIGN_R0
  • Views
    • Text Views
      • A new TextView abstract class is added that contains:
        • A TextViewFlow holding the data needed by the view
          • Text
          • Areas
          • Text layout
          • Mark position
          • Caret position
          • Extra highlights (from searches, etc.)
          • Editable flag
          • Note: By extending the flow the text view's state could be diversified.
        • The index of the view in a possible sequence of views (chaining or other)
        • Interaction map
        • Note: By extending the TextView itself its drawing logic could be diversified.
      • SceneTextView inheriting TextView is added.
        • It is abstract to allow overriding of its model.
        • Contains the scene element.
      • SwingTextView inheriting TextView is added to use swing drawing.

• Element views
  • A new HotTextView interface is added to enforce the usage of TextView class.
  • HeadTextFrameView is created to represent either a single view or a view which is the head of a chain.
    • It contains the (shared) flow of the whole chain.
  • TailTextFrameView is created to represent a view which is chained.
    • It refers to its related HeadTextFrameView in the chaining.
    • Through the head view it accessed its TextViewFlow.

• Logics
  • Modify the operation for creation of a text frame (ON_ADD_TEXT_FRAME) to use AutoActions, new resources and new text.
  • Create a new TextFlowLogic class with the following responsibilities
    • It is a basic logic and has no knowledge of how to set the model.
    • Handles all text events.
    • Calculates the needed changes to the text.
    • Fires a new SET_TEXT event to be handled by the logics that should set the model.
    • Updates the flow (the view state).
  • Create the logics that modify the model
    • SimpleTextLogic
      • Directly sets the text to the SimpleTextFlow of the view
      • Mainly used for testing purposes
    • HotTextLogic
      • Sets text to the model through AutoAction.
      • Adding a new text frame moved to HotTextLogic.
• Styling
  • Can be applied in two ways
    • For a whole interval - range of positions
      • Default behaviour: The style is applied from the position before the first character of the interval to the position before the first character after the interval.
      • Typing interactions before the interval are not styled with the applied style
      • Typing interactions right after the interval are styled with the applied style
      • Example:
        • Styled text - "Test text"
        • Input chars - "Test tTexTt"
    • For a single position
      • Default behaviour: The style is applied only for the position itself.
      • Typing interactions at the position are styled with the applied style
      • Example:
        • Styled text - "Test text" with applied style between 'x' and 't'.
        • Input chars - "Test texTt"
  • Styles are applied through the TextFontHud on the current selection interval.
  • TextView.EventIds.APPLY_STYLE event id is fired to handle styling interactions.
    • It has two parameters - style attribute and value.
    • The event is handled the same way as other modifying operations on text - a new SET_TEXT event is fired to set the new text with applied style.
• Testing
  • Use SwingDemoTest and LineEndsDemoTest.

• Chaining will be done in a separate task.

Implementation

^{(Describe and link the implementation results here (from the wiki or the repository).)}

Testing

^{(Place the testing results here.)}

Comments

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