From c2445de350cd5415deb43cb53f3803523a73a78a Mon Sep 17 00:00:00 2001
From: Trevor Williams <phase1geo@gmail.com>
Date: Mon, 12 Feb 2024 00:47:23 -0600
Subject: [PATCH] Adding initial support for inserting URL content

---
 src/TextFunctions.vala              |   1 +
 src/functions/insert/InsertURL.vala | 160 ++++++++++++++++++++++++++++
 src/meson.build                     |   1 +
 3 files changed, 162 insertions(+)
 create mode 100644 src/functions/insert/InsertURL.vala

diff --git a/src/TextFunctions.vala b/src/TextFunctions.vala
index 90144f4..043db19 100644
--- a/src/TextFunctions.vala
+++ b/src/TextFunctions.vala
@@ -83,6 +83,7 @@ public class TextFunctions {
     add_function( "insert", new InsertLineNumbers() );
     add_function( "insert", new InsertLoremIpsum() );
     add_function( "insert", new InsertFile( win ) );
+    add_function( "insert", new InsertURL( win ) );
 
     /* Category - remove */
     add_function( "remove", new RemoveBlankLines() );
diff --git a/src/functions/insert/InsertURL.vala b/src/functions/insert/InsertURL.vala
new file mode 100644
index 0000000..e52e153
--- /dev/null
+++ b/src/functions/insert/InsertURL.vala
@@ -0,0 +1,160 @@
+/*
+* Copyright (c) 2020 (https://github.com/phase1geo/TextShine)
+*
+* 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 2 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, write to the
+* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+* Boston, MA 02110-1301 USA
+*
+* Authored by: Trevor Williams <phase1geo@gmail.com>
+*/
+
+using Gtk;
+
+public class InsertURL : TextFunction {
+
+  private MainWindow _win;
+  private string     _url = "";
+
+  /* Constructor */
+  public InsertURL( MainWindow win, bool custom = false ) {
+    base( "insert-url", custom );
+    _win = win;
+  }
+
+  protected override string get_label0() {
+    return( _( "Insert URL Content" ) );
+  }
+
+  public override TextFunction copy( bool custom ) {
+    var tf = new InsertURL( _win, custom );
+    tf._url = _url;
+    return( tf );
+  }
+
+  public override bool matches( TextFunction function ) {
+    if( base.matches( function ) ) {
+      var func = (InsertURL)function;
+      return( _url == func._url );
+    }
+    return( false );
+  }
+
+  private string? get_url_contents( string url ) {
+
+    var file = File.new_for_uri( url );
+
+    try {
+      uint8[] contents;
+    	file.load_contents( null, out contents, null );
+      return( (string)contents );
+    } catch( Error e ) {
+      stdout.printf( "Unable to get URL contents\n" );
+      _win.show_error( e.message );
+    }
+
+    return( null );
+
+  }
+
+  public override void run( Editor editor, UndoItem undo_item ) {
+    insert_url( editor, undo_item );
+  }
+
+  public override void launch( Editor editor ) {
+    if( custom ) {
+      insert_url( editor, null );
+    } else {
+      Box box;
+      Entry entry;
+      create_widget( editor, out box, out entry );
+      _win.add_widget( box, entry );
+    }
+  }
+
+  private Box create_widget( Editor editor, out Box box, out Entry focus ) {
+
+    var entry = new Entry() {
+      halign = Align.FILL,
+      hexpand = true,
+      placeholder_text = _( "Enter URL" ),
+      tooltip_text = _( "Enter URL" )
+    };
+
+    if( custom ) {
+
+      entry.text = _url;
+      entry.changed.connect(() => {
+        _url = entry.text;
+        custom_changed();
+      });
+
+    } else {
+
+      entry.activate.connect(() => {
+        _url = entry.text;
+        var undo_item = new UndoItem( label );
+        insert_url( editor, undo_item );
+        editor.undo_buffer.add_item( undo_item );
+        _win.remove_widget();
+      });
+
+      handle_widget_escape( entry, _win );
+
+      focus = entry;
+
+    }
+
+    box = new Box( Orientation.HORIZONTAL, 5 );
+    box.append( entry );
+
+    return( box );
+
+  }
+
+  public override Box? get_widget( Editor editor ) {
+    Box   box;
+    Entry entry;
+    create_widget( editor, out box, out entry );
+    return( box );
+  }
+
+  private void insert_url( Editor editor, UndoItem? undo_item ) {
+
+    var contents = get_url_contents( _url );
+    if( contents == null ) return;
+
+    TextIter cursor;
+
+    editor.buffer.get_iter_at_mark( out cursor, editor.buffer.get_insert() );
+    editor.replace_text( cursor, cursor, contents, undo_item );
+
+  }
+
+  public override Xml.Node* save() {
+    Xml.Node* node = base.save();
+    node->set_prop( "url", _url );
+    return( node );
+  }
+
+  public override void load( Xml.Node* node, TextFunctions functions ) {
+    base.load( node, functions );
+    string? u = node->get_prop( "url" );
+    if( u != null ) {
+      _url = u;
+    }
+
+  }
+
+}
+
diff --git a/src/meson.build b/src/meson.build
index 06aef16..874aec7 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -23,6 +23,7 @@ sources += files(
     'functions/insert/InsertLineNumbers.vala',
     'functions/insert/InsertLoremIpsum.vala',
     'functions/insert/InsertText.vala',
+    'functions/insert/InsertURL.vala',
 
     'functions/markdown/ConvertMarkdownHTML.vala',
     'functions/markdown/MarkdownReferences.vala',