continue cleanup and redesign.

html/extra-networks-tree-button.html

+<span data-filterable-item-text hidden>{search_terms}</span>
+<button class="action-list-content action-list-content-file"
+    type="button"
+    onclick="extraNetworksTreeOnClick(event, '{tabname}', '{tab_id}');"
+>
+    <span class="action-list-item-visual action-list-item-visual--leading">🗎</span>
+    <span class="action-list-item-label action-list-item-label--truncate">{name}</span>
+    <span class="action-list-item-action action-list-item-action--trailing">
+        <div class="button-row">{copy_path_button}{metadata_button}{edit_button}</div>
+    </span>
+</button>
\ No newline at end of file

javascript/extraNetworks.js

@@ -16,88 +16,110 @@ function toggleCss(key, css, enable) {
 }
 
 function setupExtraNetworksForTab(tabname) {
-    gradioApp().querySelector('#' + tabname + '_extra_tabs').classList.add('extra-networks');
+    var this_tab = gradioApp().querySelector('#' + tabname + '_extra_tabs');
+    this_tab.classList.add('extra-networks');
 
-    var tabs = gradioApp().querySelector('#' + tabname + '_extra_tabs > div');
-    var searchDiv = gradioApp().getElementById(tabname + '_extra_search');
-    var search = searchDiv.querySelector('textarea');
-    var sort = gradioApp().getElementById(tabname + '_extra_sort');
-    var sortOrder = gradioApp().getElementById(tabname + '_extra_sortorder');
-    var refresh = gradioApp().getElementById(tabname + '_extra_refresh');
-    var promptContainer = gradioApp().querySelector('.prompt-container-compact#' + tabname + '_prompt_container');
-    var negativePrompt = gradioApp().querySelector('#' + tabname + '_neg_prompt');
-
-    tabs.appendChild(searchDiv);
-    tabs.appendChild(sort);
-    tabs.appendChild(sortOrder);
-    tabs.appendChild(refresh);
-
-    var applyFilter = function() {
-        var searchTerm = search.value.toLowerCase();
-
-        gradioApp().querySelectorAll('#' + tabname + '_extra_tabs div.card').forEach(function(elem) {
-            var searchOnly = elem.querySelector('.search_only');
-
-            var text = Array.prototype.map.call(elem.querySelectorAll('.search_terms'), function(t) { return t.textContent.toLowerCase() }).join(" ");
-
-            var visible = text.indexOf(searchTerm) != -1;
-
-            if (searchOnly && searchTerm.length < 4) {
-                visible = false;
-            }
-
-            elem.style.display = visible ? "" : "none";
-        });
-
-        applySort();
-    };
-
-    var applySort = function() {
-        var cards = gradioApp().querySelectorAll('#' + tabname + '_extra_tabs div.card');
-
-        var reverse = sortOrder.classList.contains("sortReverse");
-        var sortKey = sort.querySelector("input").value.toLowerCase().replace("sort", "").replaceAll(" ", "_").replace(/_+$/, "").trim() || "name";
-        sortKey = "sort" + sortKey.charAt(0).toUpperCase() + sortKey.slice(1);
-        var sortKeyStore = sortKey + "-" + (reverse ? "Descending" : "Ascending") + "-" + cards.length;
+    function registerPrompt(tabname, id) {
+        var textarea = gradioApp().querySelector("#" + id + " > label > textarea");
 
-        if (sortKeyStore == sort.dataset.sortkey) {
-            return;
+        if (!activePromptTextarea[tabname]) {
+            activePromptTextarea[tabname] = textarea;
         }
-        sort.dataset.sortkey = sortKeyStore;
 
-        cards.forEach(function(card) {
-            card.originalParentElement = card.parentElement;
+        textarea.addEventListener("focus", function() {
+            activePromptTextarea[tabname] = textarea;
         });
-        var sortedCards = Array.from(cards);
-        sortedCards.sort(function(cardA, cardB) {
-            var a = cardA.dataset[sortKey];
-            var b = cardB.dataset[sortKey];
-            if (!isNaN(a) && !isNaN(b)) {
-                return parseInt(a) - parseInt(b);
+    }
+    
+    this_tab.querySelectorAll(":scope > [id^='" + tabname + "_']").forEach(function(elem) {
+        var tab_id = elem.getAttribute("id");
+
+        var tabs = gradioApp().querySelector('#' + tabname + '_extra_tabs > div');
+        var searchDiv = gradioApp().QuerySelector("#" + tab_id + "_extra_search");
+        console.log("HERE:", tab_id + "_extra_search", searchDiv);
+        var search = searchDiv.value;
+        var sort = gradioApp().getElementById(tabname + '_extra_sort');
+        var sortOrder = gradioApp().getElementById(tabname + '_extra_sortorder');
+        var refresh = gradioApp().getElementById(tabname + '_extra_refresh');
+        var promptContainer = gradioApp().querySelector('.prompt-container-compact#' + tabname + '_prompt_container');
+        var negativePrompt = gradioApp().querySelector('#' + tabname + '_neg_prompt');
+        tabs.appendChild(searchDiv);
+        tabs.appendChild(sort);
+        tabs.appendChild(sortOrder);
+        tabs.appendChild(refresh);
+        var applyFilter = function() {
+            var searchTerm = search.value.toLowerCase();
+    
+            gradioApp().querySelectorAll('#' + tabname + '_extra_tabs div.card').forEach(function(elem) {
+                var searchOnly = elem.querySelector('.search_only');
+    
+                var text = Array.prototype.map.call(elem.querySelectorAll('.search_terms'), function(t) { return t.textContent.toLowerCase() }).join(" ");
+    
+                var visible = text.indexOf(searchTerm) != -1;
+    
+                if (searchOnly && searchTerm.length < 4) {
+                    visible = false;
+                }
+    
+                elem.style.display = visible ? "" : "none";
+            });
+    
+            applySort();
+        };
+    
+        var applySort = function() {
+            var cards = gradioApp().querySelectorAll('#' + tabname + '_extra_tabs div.card');
+    
+            var reverse = sortOrder.classList.contains("sortReverse");
+            var sortKey = sort.querySelector("input").value.toLowerCase().replace("sort", "").replaceAll(" ", "_").replace(/_+$/, "").trim() || "name";
+            sortKey = "sort" + sortKey.charAt(0).toUpperCase() + sortKey.slice(1);
+            var sortKeyStore = sortKey + "-" + (reverse ? "Descending" : "Ascending") + "-" + cards.length;
+    
+            if (sortKeyStore == sort.dataset.sortkey) {
+                return;
             }
-
-            return (a < b ? -1 : (a > b ? 1 : 0));
-        });
-        if (reverse) {
-            sortedCards.reverse();
-        }
-        cards.forEach(function(card) {
-            card.remove();
-        });
-        sortedCards.forEach(function(card) {
-            card.originalParentElement.appendChild(card);
+            sort.dataset.sortkey = sortKeyStore;
+    
+            cards.forEach(function(card) {
+                card.originalParentElement = card.parentElement;
+            });
+            var sortedCards = Array.from(cards);
+            sortedCards.sort(function(cardA, cardB) {
+                var a = cardA.dataset[sortKey];
+                var b = cardB.dataset[sortKey];
+                if (!isNaN(a) && !isNaN(b)) {
+                    return parseInt(a) - parseInt(b);
+                }
+    
+                return (a < b ? -1 : (a > b ? 1 : 0));
+            });
+            if (reverse) {
+                sortedCards.reverse();
+            }
+            cards.forEach(function(card) {
+                card.remove();
+            });
+            sortedCards.forEach(function(card) {
+                card.originalParentElement.appendChild(card);
+            });
+        };
+    
+        search.addEventListener("input", applyFilter);
+        sortOrder.addEventListener("click", function() {
+            sortOrder.classList.toggle("sortReverse");
+            applySort();
         });
-    };
+        applyFilter();
+    
+        extraNetworksApplySort[tab_id] = applySort;
+        extraNetworksApplyFilter[tab_id] = applyFilter;
 
-    search.addEventListener("input", applyFilter);
-    sortOrder.addEventListener("click", function() {
-        sortOrder.classList.toggle("sortReverse");
-        applySort();
+        registerPrompt(tab_id, tab_id + "_prompt");
+        registerPrompt(tab_id, tab_id + "_neg_prompt");
     });
-    applyFilter();
 
-    extraNetworksApplySort[tabname] = applySort;
-    extraNetworksApplyFilter[tabname] = applyFilter;
+    
+    
 }
 
 function extraNetworksMovePromptToTab(tabname, id, showPrompt, showNegativePrompt) {
@@ -136,12 +158,12 @@ function clearSearch(tabname) {
 
 function extraNetworksUnrelatedTabSelected(tabname) { // called from python when user selects an unrelated tab (generate)
     extraNetworksMovePromptToTab(tabname, '', false, false);
-    clearSearch(tabname);
+    //clearSearch(tabname);
 }
 
 function extraNetworksTabSelected(tabname, id, showPrompt, showNegativePrompt) { // called from python when user selects an extra networks tab
     extraNetworksMovePromptToTab(tabname, id, showPrompt, showNegativePrompt);
-    clearSearch(tabname);
+    //clearSearch(tabname);
 }
 
 function applyExtraNetworkFilter(tabname) {
@@ -159,23 +181,6 @@ var activePromptTextarea = {};
 function setupExtraNetworks() {
     setupExtraNetworksForTab('txt2img');
     setupExtraNetworksForTab('img2img');
-
-    function registerPrompt(tabname, id) {
-        var textarea = gradioApp().querySelector("#" + id + " > label > textarea");
-
-        if (!activePromptTextarea[tabname]) {
-            activePromptTextarea[tabname] = textarea;
-        }
-
-        textarea.addEventListener("focus", function() {
-            activePromptTextarea[tabname] = textarea;
-        });
-    }
-
-    registerPrompt('txt2img', 'txt2img_prompt');
-    registerPrompt('txt2img', 'txt2img_neg_prompt');
-    registerPrompt('img2img', 'img2img_prompt');
-    registerPrompt('img2img', 'img2img_neg_prompt');
 }
 
 onUiLoaded(setupExtraNetworks);
@@ -262,6 +267,106 @@ function saveCardPreview(event, tabname, filename) {
     event.preventDefault();
 }
 
+function extraNetworksTreeProcessFileClick(event, btn, tabname, tab_id) {
+    /**
+     * Processes `onclick` events when user clicks on files in tree.
+     * 
+     * @param event     The generated event.
+     * @param btn       The clicked `action-list-item` button.
+     * @param tabname   The name of the active tab in the sd webui. Ex: txt2img, img2img, etc.
+     * @param tab_id    The id of the active extraNetworks tab. Ex: lora, checkpoints, etc. 
+     */
+    var par = btn.parentElement;
+    var search_id = tabname + "_" + tab_id + "_extra_search";
+    var type = par.getAttribute("data-tree-entry-type");
+    var path = par.getAttribute("data-path");
+}
+
+function extraNetworksTreeProcessDirectoryClick(event, btn) {
+    /**
+     * Processes `onclick` events when user clicks on directories in tree.
+     * 
+     * Here is how the tree reacts to clicks for various states:
+     * unselected unopened directory: Diretory is selected and expanded.
+     * unselected opened directory: Directory is selected.
+     * selected opened directory: Directory is collapsed and deselected.
+     * chevron is clicked: Directory is expanded or collapsed. Selected state unchanged.
+     * 
+     * @param event     The generated event.
+     * @param btn       The clicked `action-list-item` button.
+     */
+    var ul = btn.nextElementSibling;
+    // This is the actual target that the user clicked on within the target button.
+    // We use this to detect if the chevron was clicked.
+    var true_targ = event.target;
+
+    function _expand_or_collapse(_ul, _btn) {
+        // Expands <ul> if it is collapsed, collapses otherwise. Updates button attributes.
+        if (_ul.hasAttribute("data-hidden")) {
+            _ul.removeAttribute("data-hidden");
+            _btn.setAttribute("expanded", "true");
+        } else {
+            _ul.setAttribute("data-hidden", "");
+            _btn.setAttribute("expanded", "false");
+        }
+    }
+
+    function _remove_selected_from_all() {
+        // Removes the `selected` attribute from all buttons.
+        var sels = document.querySelectorAll("button.action-list-content");
+        [...sels].forEach(el => {
+            el.removeAttribute("selected");
+        })
+    }
+
+    function _select_button(_btn) {
+        // Removes `selected` attribute from all buttons then adds to passed button.
+        _remove_selected_from_all();
+        _btn.setAttribute("selected", "");
+    }
+
+    // If user clicks on the chevron, then we do not select the folder.
+    if (true_targ.matches(".action-list-item-action--leading, .action-list-item-action-chevron")) {
+        _expand_or_collapse(ul, btn);
+    } else {
+        // User clicked anywhere else on the button.
+        if (btn.hasAttribute("selected") && !ul.hasAttribute("data-hidden")) {
+            // If folder is select and open, collapse and deselect button.
+            _expand_or_collapse(ul, btn);
+            btn.removeAttribute("selected");
+        } else if (!(!btn.hasAttribute("selected") && !ul.hasAttribute("data-hidden"))) {
+            // If folder is open and not selected, then we don't collapse; just select.
+            // NOTE: Double inversion sucks but it is the clearest way to show the branching here.
+            _expand_or_collapse(ul, btn);
+            _select_button(btn);
+        } else {
+            // All other cases, just select the button.
+            _select_button(btn);
+        }
+        
+    }
+}
+
+function extraNetworksTreeOnClick(event, tabname, tab_id) {
+    /**
+     * Handles `onclick` events for buttons within an `extra-network-tree .action-list--tree`.
+     * 
+     * Determines whether the clicked button in the tree is for a file entry or a directory
+     * then calls the appropriate function.
+     * 
+     * @param event     The generated event.
+     * @param tabname   The name of the active tab in the sd webui. Ex: txt2img, img2img, etc.
+     * @param tab_id    The id of the active extraNetworks tab. Ex: lora, checkpoints, etc.
+     */
+    var btn = event.currentTarget;
+    var par = btn.parentElement;
+    if (par.getAttribute("data-tree-entry-type") === "file") {
+        extraNetworksTreeProcessFileClick(event, btn, tabname, tab_id);
+    } else {
+        extraNetworksTreeProcessDirectoryClick(event, btn);
+    }
+}
+
 function extraNetworksFolderClick(event, tabs_id) {
     // If folder is open but not selected, we don't want to collapse it. Instead
     // we override the removal of the "open" attribute so that the folder is
@@ -434,3 +539,10 @@ window.addEventListener("keydown", function(event) {
         closePopup();
     }
 });
+
+function testprint(e) {
+    console.log(e);
+}
+
+const testinput = gradioApp().querySelector("#txt2img_lora_extra_search");
+testinput.addEventListener("input", testprint);
\ No newline at end of file

modules/ui_extra_networks.py

@@ -19,6 +19,90 @@ extra_pages = []
 allowed_dirs = set()
 default_allowed_preview_extensions = ["png", "jpg", "jpeg", "webp", "gif"]
 
+tree_tpl = (
+    "<div class='action-list-search'>"
+    "<input "
+    "id='{tabname}_{tab_id}_extra_search' "
+    "class='action-list-search-text' "
+    "type='search' "
+    "placeholder='Filter files'"
+    ">"
+    "</div>"
+    "<ul class='action-list action-list--tree'>"
+    "{content}"
+    "</ul>"
+)
+
+tree_ul_tpl = (
+    "<ul class='action-list action-list--subgroup' data-hidden>"
+    "{content}"
+    "</ul>"
+)
+
+tree_li_dir_tpl = (
+    "<li "
+    "class='action-list-item action-list-item--has-subitem' "
+    "data-path='{path}' "
+    "data-tree-entry-type='dir'>"
+    "{content}"
+    "</li>"
+)
+tree_li_file_tpl = (
+    "<li "
+    "id='file-tree-item-{hash}' "
+    "class='action-list-item action-list-item--subitem' "
+    "data-path='{path}' "
+    "data-tree-entry-type='file'>"
+    "{content}"
+    "</li>"
+)
+
+tree_btn_dir_tpl = (
+    "<button "
+    "class='action-list-content action-list-content-dir' "
+    "type='button' "
+    "expanded='false' "
+    "onclick='extraNetworksTreeOnClick(event, \"{tabname}\", \"{tab_id}\")'>"
+    "<span class='action-list-item-action action-list-item-action--leading'>"
+    "<i class='action-list-item-action-chevron'></i>"
+    "</span>"
+    "<span class='action-list-item-visual action-list-item-visual--leading'>🗀</span>"
+    "<span class='action-list-item-label action-list-item-label--truncate'>{label}</span>"
+    "</button>"
+)
+
+tree_btn_file_action_buttons_tpl = (
+    "<div "
+    "class='copy-path-button card-button' "
+    "title='Copy path to clipboard' "
+    "onclick='extraNetworksCopyCardPath(event, {path})' "
+    "data-clipboard-text={path}>"
+    "</div>"
+    "<div "
+    "class='metadata-button card-button' "
+    "title='Show internal metadata' "
+    "onclick='extraNetworksRequestMetadata(event, {tab_id}, {filename})'>"
+    "</div>"
+    "<div "
+    "class='edit-button card-button' "
+    "title='Edit metadata' "
+    "onclick='extraNetworksEditUserMetadata(event, {tabname}, {tab_id}, {filename})'>"
+    "</div>"
+)
+
+tree_btn_file_tpl = (
+    "<span data-filterable-item-text hidden>{filter}</span>"
+    "<button "
+    "class='action-list-content action-list-content-file' "
+    "type='button' "
+    "onclick='extraNetworksTreeOnClick(event, \"{tabname}\", \"{tab_id}\")'>"
+    "<span class='action-list-item-visual action-list-item-visual--leading'>🗎</span>"
+    "<span class='action-list-item-label action-list-item-label--truncate'>{label}</span>"
+    "<span class='action-list-item-action action-list-item-action--trailing'>{buttons}</span>"
+    "</button>"
+)
+
+
 @functools.cache
 def allowed_preview_extensions_with_extra(extra_extensions=None):
     return set(default_allowed_preview_extensions) | set(extra_extensions or [])
@@ -160,6 +244,7 @@ class ExtraNetworksPage:
         self.extra_networks_pane_template = shared.html("extra-networks-pane.html")
         self.card_page_template = shared.html("extra-networks-card.html")
         self.card_page_minimal_template = shared.html("extra-networks-card-minimal.html")
+        self.tree_button_template = shared.html("extra-networks-tree-button.html")
         self.allow_prompt = True
         self.allow_negative_prompt = False
         self.metadata = {}
@@ -279,7 +364,9 @@ class ExtraNetworksPage:
             "search_terms": search_terms_html,
             "sort_keys": sort_keys,
             "style": f"'display: none; {height}{width}; font-size: {shared.opts.extra_networks_card_text_scale*100}%'",
-            "tabname": quote_js(tabname),
+            "tabname": tabname,
+            "tab_id": self.id_page,
+
         }
 
         if template:
@@ -306,55 +393,81 @@ class ExtraNetworksPage:
         if not tree:
             return res
 
-        file_template = "<li class='file-item'>{card}</li>"
-        dir_template = (
-            "<details {attributes} class='folder-item'>"
-            "<summary class='folder-item-summary' data-path='{data_path}' "
-            "onclick='extraNetworksFolderClick(event, \"{tabname}_extra_search\");'>"
-            "{folder_name}"
-            "</summary>"
-            "<ul class='folder-container'>{content}</ul>"
-            "</details>"
-        )
-
         def _build_tree(data: Optional[dict[str, ExtraNetworksItem]] = None) -> str:
             """Recursively builds HTML for a tree."""
             _res = ""
             if not data:
-                return "<li style='list-style-type: \"⚠️\";'>DIRECTORY IS EMPTY</li>"
+                return (
+                    "<details open disabled class='folder-item-empty'>"
+                    "<summary class='folder-item-summary-empty'>Directory is empty</summary>"
+                    "</details>"
+                )
 
             for k, v in sorted(data.items(), key=lambda x: shared.natural_sort_key(x[0])):
                 if isinstance(v, (ExtraNetworksItem,)):
-                    item_html = self.create_item_html(tabname, v.item, self.card_page_minimal_template)
-                    _res += file_template.format(**{"card": item_html})
+                    _action_buttons = tree_btn_file_action_buttons_tpl.format(
+                        **{
+                            "path": quote_js(k),
+                            "filename": quote_js(v.item["name"]),
+                            "tabname": quote_js(tabname),
+                            "tab_id": quote_js(self.id_page),
+                        }
+                    )
+                    _btn = tree_btn_file_tpl.format(
+                        **{
+                            "label": v.item["name"],
+                            "filter": v.item["search_terms"],
+                            "tabname": tabname,
+                            "tab_id": self.id_page,
+                            "buttons": _action_buttons,
+                        }
+                    )
+                    _li = tree_li_file_tpl.format(
+                        **{
+                            "hash": v.item["shorthash"],
+                            "path": k,
+                            "type": "file",
+                            #"content": _btn,
+                            "content": self.create_item_html(tabname, v.item, self.tree_button_template),
+                        }
+                    )
+                    _res += _li
+                    #item_html = self.create_item_html(tabname, v.item, self.card_page_minimal_template)
+                    #_res += file_template.format(**{"card": item_html})
                 else:
-                    _res += dir_template.format(
+                    _btn = tree_btn_dir_tpl.format(
                         **{
-                            "attributes": "",
+                            "label": os.path.basename(k),
                             "tabname": tabname,
-                            "folder_name": os.path.basename(k),
-                            "data_path": k,
-                            "content": _build_tree(v),
+                            "tab_id": self.id_page,
                         }
                     )
+                    _ul = tree_ul_tpl.format(**{"content": _build_tree(v)})
+                    _li = tree_li_dir_tpl.format(**{"content": _btn + _ul, "path": k})
+                    _res += _li
             return _res
 
         # Add each root directory to the tree.
         for k, v in sorted(tree.items(), key=lambda x: shared.natural_sort_key(x[0])):
             # If root is empty, append the "disabled" attribute to the template details tag.
-            res += "<ul class='folder-container'>"
-            res += dir_template.format(
+            btn = tree_btn_dir_tpl.format(
                 **{
-                    "attributes": "open" if v else "open",
+                    "label": os.path.basename(k),
                     "tabname": tabname,
-                    "folder_name": os.path.basename(k),
-                    "data_path": k,
-                    "content": _build_tree(v),
+                    "tab_id": self.id_page,
                 }
             )
-            res += "</ul>"
-        res += "</ul>"
-        return res
+            ul = tree_ul_tpl.format(**{"content": _build_tree(v)})
+            li = tree_li_dir_tpl.format(**{"content": btn + ul, "path": k})
+            res += li
+
+        return tree_tpl.format(
+            **{
+                "content": res,
+                "tabname": tabname,
+                "tab_id": self.id_page,
+            }
+        )
 
     def create_card_view_html(self, tabname):
         res = ""
@@ -375,7 +488,7 @@ class ExtraNetworksPage:
 
         tree_view_html = self.create_tree_view_html(tabname)
         card_view_html = self.create_card_view_html(tabname)
-        network_type_id = self.name.replace(" ", "_")
+        network_type_id = self.id_page
 
         return self.extra_networks_pane_template.format(
             **{
@@ -506,7 +619,7 @@ def create_ui(interface: gr.Blocks, unrelated_tabs, tabname):
             ui.pages.append(page_elem)
             page_elem.change(
                 fn=lambda: None,
-                _js=f"function(){{applyExtraNetworkFilter({tabname}_extra_search); return []}}",
+                _js=f"function(){{applyExtraNetworkFilter({tabname}_{page.id_page}_extra_search); return []}}",
                 inputs=[],
                 outputs=[],
             )
@@ -517,13 +630,11 @@ def create_ui(interface: gr.Blocks, unrelated_tabs, tabname):
 
             related_tabs.append(tab)
 
-    edit_search = gr.Textbox('', show_label=False, elem_id=f"{tabname}_extra_search", elem_classes="search", placeholder="Search...", visible=False, interactive=True)
     dropdown_sort = gr.Dropdown(choices=['Path', 'Name', 'Date Created', 'Date Modified', ], value=shared.opts.extra_networks_card_order_field, elem_id=tabname+"_extra_sort", elem_classes="sort", multiselect=False, visible=False, show_label=False, interactive=True, label=tabname+"_extra_sort_order")
     button_sortorder = ToolButton(switch_values_symbol, elem_id=tabname+"_extra_sortorder", elem_classes=["sortorder"] + ([] if shared.opts.extra_networks_card_order == "Ascending" else ["sortReverse"]), visible=False, tooltip="Invert sort order")
     button_refresh = gr.Button('Refresh', elem_id=tabname+"_extra_refresh", visible=False)
 
     tab_controls = [
-        edit_search,
         dropdown_sort,
         button_sortorder,
         button_refresh,

style.css

@@ -955,15 +955,15 @@ footer {
     color: white;
 }
 
-.extra-network-pane .copy-path-button:before {
+.extra-network-pane .copy-path-button::before {
     content: "⎘";
 }
 
-.extra-network-pane .metadata-button:before{
+.extra-network-pane .metadata-button::before{
     content: "🛈";
 }
 
-.extra-network-pane .edit-button:before{
+.extra-network-pane .edit-button::before{
     content: "🛠";
 }
 
@@ -1188,102 +1188,253 @@ body.resizing .resize-handle {
     border-left: 1px dashed var(--border-color-primary);
 }
 
-.extra-network-pane .card-minimal {
-    display: inline-flex;
-    flex-grow: 1;
-    position: relative;
-    overflow: hidden;
-    cursor: pointer;
-    font-size: 1rem;
-    font-weight: bold;
-    line-break: anywhere;
+/* ========================= */
+.extra-network-pane {
+    display: flex;
 }
 
-/* Pushes buttons to right */
-.extra-network-pane .card-minimal .name {
-    flex-grow: 1;
+.extra-network-pane .extra-network-cards {
+    display: block;
 }
 
-.folder-container {
-    margin-left: 1.5em !important;
+.extra-network-pane .extra-network-tree {
+    display: block;
+    font-size: 1rem;
+    min-width: 25%;
+    border: 1px solid var(--block-border-color);
+    overflow: hidden;
 }
 
-.file-item,
-.folder-item,
-.folder-item-summary {
-    padding-left: 0.05rem;
+.extra-network-tree .action-list--tree {
     cursor: pointer;
+    -webkit-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
     user-select: none;
-    font-size: 1rem;
+    margin: 0;
+    padding: 0;
 }
 
-.extra-network-pane .extra-network-tree .folder-item-summary:hover,
-.extra-network-pane .extra-network-tree .file-item:hover {
-    -webkit-transition: all 0.1s ease-in-out;
-	transition: all 0.1s ease-in-out;
-    background-color: var(--neutral-200);
+/* Remove auto indentation from tree. Will be overridden later. */
+.extra-network-tree .action-list--subgroup {
+    margin: 0 !important;
+    padding: 0 !important;
+    box-shadow: 0.6rem 0 0 var(--body-background-fill) inset,
+                0.8rem 0 0 var(--neutral-800) inset;
+}
+
+/* Set indentation for each depth of tree. */
+.extra-network-tree .action-list--subgroup > .action-list-item {
+    margin-left: 0.4rem !important;
+    padding-left: 0.4rem !important;
 }
 
-.dark .extra-network-pane .extra-network-tree .folder-item-summary:hover,
-.dark .extra-network-pane .extra-network-tree .file-item:hover {
+/* Styles for tree <ul> elements. */
+.extra-network-tree .action-list {
+
+}
+
+/* Styles for tree <li> elements. */
+.extra-network-tree .action-list-item {
+    list-style: none;
+    position: relative;
+    background-color: transparent;
+}
+
+/* Directory <ul> */
+.extra-network-tree .action-list-content[expanded=false]+.action-list--subgroup {
+    height: 0;
+    overflow: hidden;
+    visibility: hidden;
+    opacity: 0;
+}
+
+.extra-network-tree .action-list-content[expanded=true]+.action-list--subgroup {
+    height: auto;
+    overflow: visible;
+    visibility: visible;
+    opacity: 1;
+}
+
+/* File <li> */
+.extra-network-tree .action-list-item--subitem {
+}
+
+/* <li> containing <ul> */
+.extra-network-tree .action-list-item--has-subitem {
+}
+
+/* BUTTON ELEMENTS */
+/* <button> */
+.extra-network-tree .action-list-content {
+    position: relative;
+    display: grid;
+    width: 100%;
+    padding: 6px 8px;
+    font-size: 1rem;
+    text-align: left;
+    user-select: none;
+    background-color: transparent;
+    border: none;
+    transition: background 33.333ms linear;
+    grid-template-rows: min-content;
+    grid-template-areas: "leading-action leading-visual label trailing-visual spacer trailing-action";
+    grid-template-columns: min-content min-content minmax(0, auto) min-content 1fr min-content;
+    grid-gap: 0.1em;
+    align-items: start;
+    flex-grow: 1;
+    flex-basis: 100%;
+}
+
+.dark .extra-network-tree button.action-list-content:hover {
     -webkit-transition: all 0.05s ease-in-out;
 	transition: all 0.05s ease-in-out;
     background-color: var(--neutral-800);
 }
 
-/* prevents clicking/collapsing of details tags when disabled attribute is used*/
-.extra-network-pane .extra-network-tree details[disabled] summary {
-    pointer-events: none;
-    user-select: none;
+.dark .extra-network-tree button.action-list-content[selected] {
+    background-color: var(--neutral-700);
 }
 
-.extra-network-pane .extra-network-tree details.folder-item > summary {
-    list-style-type: '📁';
-    text-overflow: ellipsis;
+.extra-network-tree button.action-list-content:hover {
+    -webkit-transition: all 0.05s ease-in-out;
+	transition: all 0.05s ease-in-out;
+    background-color: var(--neutral-200);
 }
 
-.extra-network-pane .extra-network-tree details.folder-item[open] > summary {
-    list-style-type: '📂';
-    text-overflow: ellipsis;
+.extra-network-tree button.action-list-content[selected] {
+    background-color: var(--neutral-300);
 }
 
-.extra-network-pane .extra-network-tree ul.folder-container {
-    list-style: none;
-    font-size: 1rem;
-    text-overflow: ellipsis;
+/* Buttons for directories. */
+.extra-network-tree .action-list-content-dir {
+
 }
 
-.extra-network-pane .extra-network-tree li.file-item {
-    display: flex;
+/* Buttons for files. */
+.extra-network-tree .action-list-content-file {
+    margin-left: 2em;
+}
+
+/* Text for button. */
+.extra-network-tree .action-list-item-label {
     position: relative;
-    align-items: center;
+    line-height: 1.25em;
+    color: var(--button-secondary-text-color);
+    grid-area: label;
+    padding-left: 0.5em;
 }
 
-.extra-network-pane .extra-network-tree li.file-item::before {
-    content: '📄';
-    font-size: 0.85rem;
-    vertical-align: middle;
+/* Text for button truncated. */
+.extra-network-tree .action-list-item-label--truncate {
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
 }
 
-.extra-network-pane {
-    display: flex;
+/* Icon for button. */
+.extra-network-tree .action-list-item-visual {
+    min-height: 1em;
+    color: var(--button-secondary-text-color);
+    pointer-events: none;
+    align-items: right;
 }
 
-.extra-network-pane .extra-network-tree {
-    font-size: 1rem;
-    min-width: 25%;
-    max-width: 25%;
-    border: 1px solid var(--block-border-color);
+/* Icon for button when it is before label. */
+.extra-network-tree .action-list-item-visual--leading {
+    grid-area: leading-visual;
 }
-.extra-network-pane .extra-network-cards {
+
+/* Icon for button when it is after label. */
+.extra-network-tree .action-list-item-visual--trailing {
+    grid-area: trailing-visual;
+}
+
+/* Dropdown arrow for button. */
+.extra-network-tree .action-list-item-action--leading {
+    margin-right: 1em;
+}
+
+/* Define the animation for the arrow when it is clicked. */
+.extra-network-tree .action-list-content-dir[expanded=false] .action-list-item-action {
+    -ms-transform: rotate(0deg);
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+    transition: transform 0.2s;
+}
+
+.extra-network-tree .action-list-content-dir[expanded=true] .action-list-item-action {
+    -ms-transform: rotate(90deg);
+    -webkit-transform: rotate(90deg);
+    transform: rotate(90deg);
+    transition: transform 0.2s;
+}
+
+.action-list-item-action-chevron {
+    display: inline-block;
+    padding: 0.3em;
+    box-shadow: 0.1em 0.1em 0 0px var(--neutral-200) inset;
+    transform: rotate(135deg);
+}
+
+.extra-network-tree .action-list-item-action--leading {
+    grid-area: leading-action;
+}
+
+/* Dropdown arrow for button when it is after label.  UNUSED? */
+.extra-network-tree .action-list-item-action--trailing {
+    grid-area: trailing-action;
+}
+
+.extra-network-tree .action-list-item-action .button-row {
+    display: flex;
     flex-grow: 1;
-    border: 1px solid var(--block-border-color);
 }
 
-.dark .extra-network-tree .folder-item-summary.selected{
-    background-color: var(--neutral-800);
+.extra-network-tree .action-list-content .button-row {
+    display: inline-flex;
+    visibility: hidden !important;
+    color: white;
 }
 
-.extra-network-tree .folder-item-summary.selected {
-    background-color: var(--neutral-200);
+.extra-network-tree .action-list-content:hover .button-row {
+    visibility: visible;
 }
+
+/* Add icon to left side of <input> */
+.extra-network-tree .action-list-search::before {
+    content: "🔎︎";
+    position: absolute;
+    margin: 0.5em;
+    font-size: 1em;
+    color: var(--input-placeholder-color);
+}
+
+.extra-network-tree .action-list-search {
+    position: relative;
+    margin: 0.5em;
+}
+
+.extra-network-tree .action-list-search .action-list-search-text {
+    border: 1px solid var(--button-secondary-border-color);
+    border-radius: 0.5em;
+    color: var(--button-secondary-text-color);
+    background-color: transparent;
+    width: 100%;
+    padding-left: 2em;
+    line-height: 1em;
+}
+
+/* <input> clear button (x on right side) styling */
+.extra-network-tree .action-list-search .action-list-search-text::-webkit-search-cancel-button {
+    -webkit-appearance: none;
+    appearance: none;
+    cursor: pointer;
+    height: 1em;
+    width: 1em;
+    mask-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line></svg>');
+    mask-repeat: no-repeat;
+    mask-position: center center;
+    mask-size: 100%;
+    background-color: var(--input-placeholder-color);
+}
\ No newline at end of file