From fbc7af8c05ec145c554cc5eadbc5f0255fa6cad3 Mon Sep 17 00:00:00 2001
From: "Alex A. Naanou" <alex.nanou@gmail.com>
Date: Fri, 1 Sep 2023 16:15:57 +0300
Subject: [PATCH] added crops and saved crops (no GUI yet)...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
---
 grid-n-view.js | 46 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

diff --git a/grid-n-view.js b/grid-n-view.js
index 49387ce..069f820 100644
--- a/grid-n-view.js
+++ b/grid-n-view.js
@@ -1045,6 +1045,11 @@ var Gallery = {
 		return [...gallery.dom.querySelectorAll('.images img.to-remove')] },
 	set toBeRemoved(lst){
 		this.queueRemoval(lst) },
+	// XXX should this be writable...
+	get toBeKeept(){
+		return [...gallery.dom.querySelectorAll('.images img:not(.to-remove)')] },
+	set toBeKeept(lst){
+		this.unqueueRemoval(lst) },
 	queueRemoval: function(...images){
 		images = images.length == 0 ?
 			['current']
@@ -1091,6 +1096,46 @@ var Gallery = {
 		this.dom.querySelector('.images').innerHTML = ''
 		return this },
 
+	// crop...
+	__crop_stack: undefined,
+	crop: function(lst){
+		var stack = this.__crop_stack ??= []
+		var state = this.json()
+		stack.push(state)
+		if(lst){
+			lst = this.getImages(...lst)
+			// XXX filter state...
+			// XXX
+		}
+		this.load(state)
+		return this },
+	uncrop: function(lst){
+		var state = this.__crop_stack?.pop()
+		state.length == 0
+			&& (delete this.__crop_stack)
+		state 
+			&& this.load(state)
+		return this },
+
+	// named crops...
+	// XXX add these to serilization...
+	// XXX TEST...
+	__saved_crops: undefined,
+	get savedCropNames(){
+		return Object.keys(this.__saved_crops ?? {}) },
+	saveCrop: function(name){
+		var saved = this.__saved_crops ??= {}
+		saved[name] = this.json()
+		return this },
+	loadCrop: function(name){
+		var state = (this.__saved_crops ?? {})[name]
+		state 
+			&& this.load(state)
+		return this },
+	removeCrop: function(name){
+		delete (this.__saved_crops ?? {})[name]
+		return this },
+
 	setup: function(dom){
 		var that = this
 		this.dom = dom
@@ -1320,7 +1365,6 @@ var Gallery = {
 		//			- press esc to cancel drag
 		//		...this will leave the dragged-over classes in place...
 		var cleanupAfterDrag = function(evt){
-			console.log('11111')
 			that.dom.classList.remove('dragged-over')
 			dragged_over
 				&& dragged_over.classList.remove('dragged-over') }