tenseleyflow/loader / 5946d38

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ui: improve DiffWidget to show content previews

- For Create: show preview of content being written (first 100 chars)
- For Update: show both old and new content previews with -/+ prefixes
- Makes it clearer what's being changed without expanding full diff
Authored by espadonne
SHA
5946d38c783b0de71906b65726fc779ec9ea6444
Parents
45ef0c6
Tree
618a956

1 changed file

StatusFile+-
M src/loader/ui/widgets/diff_widget.py 25 0
src/loader/ui/widgets/diff_widget.pymodified
@@ -27,6 +27,8 @@ class DiffWidget(Vertical):
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         self.is_new_file = not old_string  # True if creating new file
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     def compose(self) -> ComposeResult:
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+        from rich.markup import escape
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+
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         # Calculate stats
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         old_lines = self.old_string.splitlines() if self.old_string else []
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         new_lines = self.new_string.splitlines()
@@ -43,6 +45,14 @@ class DiffWidget(Vertical):
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                 f"└ [green]+{len(new_lines)}[/green] lines",
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                 classes="diff-stats",
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             )
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+            # Show preview of content being written
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+            preview = self.new_string[:100].replace('\n', ' ')
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+            if len(self.new_string) > 100:
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+                preview += "..."
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+            yield Static(
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+                f"  [dim]{escape(preview)}[/dim]",
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+                classes="diff-preview",
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+            )
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         else:
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             added = sum(1 for line in new_lines if line not in old_lines)
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             removed = sum(1 for line in old_lines if line not in new_lines)
@@ -61,6 +71,21 @@ class DiffWidget(Vertical):
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                     f"└ {', '.join(stats_parts)} lines",
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                     classes="diff-stats",
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                 )
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+            # Show what's being replaced
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+            old_preview = self.old_string[:50].replace('\n', ' ')
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+            new_preview = self.new_string[:50].replace('\n', ' ')
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+            if len(self.old_string) > 50:
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+                old_preview += "..."
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+            if len(self.new_string) > 50:
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+                new_preview += "..."
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+            yield Static(
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+                f"  [red]-[/red] [dim]{escape(old_preview)}[/dim]",
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+                classes="diff-preview-old",
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+            )
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+            yield Static(
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+                f"  [green]+[/green] [dim]{escape(new_preview)}[/dim]",
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+                classes="diff-preview-new",
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+            )
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         # Diff content
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         yield Static(