[elpa] scratch/javaimp-list 1596955: wip

[Filipp Gunbin]

branch: scratch/javaimp-list
commit 1596955467486fb3be6569a55f2beb5193953a27
Author: Filipp Gunbin <fgunbin@fastmail.fm>
Commit: Filipp Gunbin <fgunbin@fastmail.fm>

    wip
---
 javaimp-list.el | 148 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)

diff --git a/javaimp-list.el b/javaimp-list.el
new file mode 100644
index 0000000..9eb3cba
--- /dev/null
+++ b/javaimp-list.el
@@ -0,0 +1,148 @@
+
+;; Listing projects
+
+(defun javaimp-list-projects (buffer)
+  (unless (bufferp buffer)
+    (setq buffer (get-buffer-create "*Javaimp Projects*")))
+  (with-current-buffer buffer
+    (javaimp-list-mode)
+    (javaimp-list-projects--refresh)
+    (tabulated-list-print))
+  (display-buffer buffer)
+  nil)
+
+(defvar javaimp-list-mode-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map "d" 'javaimp-list-forget-project)
+    (define-key map "m" 'javaimp-list-display-project)
+    (define-key map "i" 'javaimp-list-display-project)
+    map))
+
+(define-derived-mode javaimp-list-mode tabulated-list-mode "Javaimp Project 
List"
+  "Major mode for listing the projects known by Javaimp."
+  (setq tabulated-list-format [("Artifact" 20 #'javaimp-list--artifact-lessp)
+                               ("Group" 20 #'javaimp-list-group-lessp)
+                               ("Version" 7 #'nil)
+                               ("Build file" (length "build.gradle.kts") nil)
+                               ("Loaded at" 10 t)
+                               ("Directory" 0 nil)
+                               ])
+  ;; (setq tabulated-list-sort-key (cons "Artifact" nil))
+  ;; tabulated-list-entries if function; tabulated-list-printer; 
tabulated-list-padding
+  (setq buffer-undo-list t)
+  (add-hook 'tabulated-list-revert-hook #'javaimp-list--refresh nil t))
+
+(defun javaimp-list--artifact-lessp (entry1 entry2)
+  ;; TODO sort only by roots
+  nil
+  )
+(defun javaimp-list--group-lessp (entry1 entry2)
+  ;; TODO sort only by roots
+  nil
+  )
+
+(defun javaimp-list--refresh ()
+  "Recompute the list of projects for the Javaimp Project List
+buffer."
+  (setq tabulated-list-entries nil)
+
+  (dolist (node (javaimp--collect-nodes-from-tree javaimp-project-forest))
+    (let* ((m (javaimp-node-contents node))
+           (pm (and (javaimp-node-parent node)
+                    (javaimp-node-contents (javaimp-node-parent node))))
+           (mid (javaimp-module-id m))
+           (pmid (and pm (javaimp-module-id pm)))
+           (root (javaimp--get-root node))
+
+           ;; TODO use digits, as in proced
+           (depth (let ((ptr node)
+                        (res 0))
+                    (while (setq ptr (javaimp-node-parent ptr))
+                      (setq res (1+ res)))
+                    res))
+           (artifact (concat (make-string depth ? ) (javaimp-id-artifact mid)))
+
+           ;; show group and version only if different from parent
+           (group (if (and pmid
+                           (javaimp-id-group mid)
+                           (javaimp-id-group pmid)
+                           (equal (javaimp-id-group mid) (javaimp-id-group 
pmid)))
+                      "*"
+                    (javaimp-id-group mid)))
+           (version (if (and pmid
+                             (javaimp-id-version mid)
+                             (javaimp-id-version pmid)
+                             (equal (javaimp-id-version mid) 
(javaimp-id-version pmid)))
+                        "*"
+                      (javaimp-id-version mid)))
+
+           ;; buttonize filename only if file exists
+           (basename (file-name-nondirectory (javaimp-module-file m)))
+           (file (if (file-exists-p (javaimp-module-file m))
+                     `(,basename
+                       face link
+                       follow-link t
+                       help-echo "Visit file"
+                       action ,(lambda (_btn)
+                                 (find-file (javaimp-module-file m))))
+                   (propertize basename 'face 'warning)))
+
+           (time-format
+            (let ((daystart-dec (decode-time)))
+              (setf (decoded-time-second daystart-dec) 0)
+              (setf (decoded-time-minute daystart-dec) 0)
+              (setf (decoded-time-hour daystart-dec) 0)
+              (if (time-less-p (javaimp-module-load-ts m)
+                               (encode-time daystart-dec))
+                  "%c" "%X")))
+           (load-ts time-format (javaimp-module-load-ts m))
+
+           (absdir (file-name-directory (javaimp-module-file m)))
+           ;; show dir relatively to root if have parent
+           (dir-name
+            (if pm
+                (let ((root-dir (file-name-directory
+                                 (javaimp-module-file
+                                  (javaimp-node-contents root)))))
+                  (file-relative-name dir root-dir))
+              absdir))
+           (dir `(,dir-name
+                  face link
+                  follow-link t
+                  help-echo "Visit directory"
+                  action ,(lambda (_btn)
+                            (find-file absdir))))
+           ))
+    (push (list mid (vector
+                     artifact (or group "--") (or version "--")
+                     dir file load-ts))
+          tabulated-list-entries))
+  ;; TODO sort by group / artifact
+  (tabulated-list-init-header))
+
+;; TODO option to forget everything loaded from the same file
+(defun javaimp-list--forget-project ()
+  "Forget project tree containing project at point."
+  (interactive)
+
+  ;; TODO go to top-level
+  (setq javaimp-project-forest
+       (seq-remove (lambda (node)
+                     (equal (javaimp-module-file-orig (javaimp-node-contents 
node))
+                            build-file))
+                   javaimp-project-forest))
+
+  (let ((pos (point)))
+    (delete-process (tabulated-list-get-id))
+    (revert-buffer)
+    (goto-char (min pos (point-max)))
+    (if (eobp)
+        (forward-line -1)
+      (beginning-of-line))))
+
+(defun javaimp-list--display-project ()
+  "Display detailed information for project at point."
+  ;;
+  ;; TODO detailed, with-output-to-temp-buffer
+
+  )