line-range-highlight: copy text

Implement picking a line range or single line
from the textContent version of the rendered
source to the clipboard.

It works in blame and tree the same.

Signed-off-by: Andy Green <andy@warmcat.com>

diff --git a/cgit.js b/cgit.js
index 7fae9aabbb91d725221135b18aec9d569003ea0a..bc2ba657d411d7f35a127dec6f5b38538b6ab4e6 100644 (file)
--- a/cgit.js
+++ b/cgit.js
@@ -31,6 +31,25 @@ function find_parent_of_type(e, type)
        return e;
 }
 
+function parse_hashurl_start(h)
+{
+       return parseInt(h.substring(2));
+}
+
+function parse_hashurl_end(h, start)
+{
+       var t = h.indexOf("-"), e = start;
+
+       if (t >= 1)
+               e = parseInt(h.substring(t + 1));
+
+       if (e < start)
+               e = start;
+
+       return e;
+}
+
+
 /*
  * This creates an absolute div as a child of the content table.
  * It's horizontally and vertically aligned and sized according
@@ -56,17 +75,11 @@ function line_range_highlight(do_burger)
                e.remove();
        }
 
-       l1 = parseInt(h.substring(2));
+       l1 = parse_hashurl_start(h);
        if (!l1)
                return;
 
-       t = h.indexOf("-");
-       l2 = l1;
-       if (t >= 1)
-               l2 = parseInt(h.substring(t + 1));
-
-       if (l2 < l1)
-               l2 = l1;
+       l2 = parse_hashurl_end(h, l1);
 
        var lh, etable, etr, de, n, hl, v;
 
@@ -142,18 +155,36 @@ function copy_clipboard(value)
        inp.remove();
 }
 
+/* we want to copy plain text for a line range */
+
+function copy_text(elem, l1, l2)
+{
+       var tc = elem.textContent.split('\n'), s = "";
+
+       l1 --;
+
+       while (l1 < l2)
+               s += tc[l1++] + '\n';
+
+       copy_clipboard(s);
+}
+
+
 /*
  * An element in the popup menu was clicked, perform the appropriate action
  */
 function mi_click(e) {
-       var u, n;
+       var u, n, l1, l2, el;
 
        e.stopPropagation();
        e.preventDefault();
 
        switch (e.target.id) {
        case "mi-c-line":
-               /* implemented in next patch */
+               l1 = parse_hashurl_start(window.location.hash);
+               l2 = parse_hashurl_end(window.location.hash, l1);
+               el = document.getElementsByClassName("highlight")[0].firstChild;
+               copy_text(el, l1, l2);
                break;
        case "mi-c-link":
                copy_clipboard(window.location.href);