function Toolbar_RestoreToolbarSearchFilter() { // RESTORE LAST USED SEARCH TYPE (URL OR TITLE) IN TOOLBAR SEARCH
    chrome.runtime.sendMessage({command: "get_search_filter", windowId: tt.CurrentWindowId}, function(response) {
        if (response == "url") {
            DOM_SetClasses(document.getElementById("button_filter_type"), ["url"], ["title"], []);
        } else {
            DOM_SetClasses(document.getElementById("button_filter_type"), ["title"], ["url"], []);
        }
    });
}

function Toolbar_RestoreToolbarShelf() { // RESTORE LAST ACTIVE SHELF (SEARCH, TOOLS, GROUPS, SESSION OR FOLDER) IN TOOLBAR
    chrome.runtime.sendMessage({command: "get_active_shelf", windowId: tt.CurrentWindowId}, function(response) {
        let filterBox = document.getElementById("filter_box");
        filterBox.setAttribute("placeholder", labels.searchbox);
        filterBox.style.opacity = "1";
        
        let query = document.querySelectorAll(".on");
        for (let s of query) {
            s.classList.remove("on");
        }
        query = document.querySelectorAll(".toolbar_shelf");
        for (let s of query) {
            s.classList.add("hidden");
        }
        if (response == "search" && document.getElementById("button_search") != null) {
            document.getElementById("toolbar_search").classList.remove("hidden");
            document.getElementById("button_search").classList.add("on");
        }
        if (response == "tools" && document.getElementById("button_tools") != null) {
            document.getElementById("toolbar_shelf_tools").classList.remove("hidden");
            document.getElementById("button_tools").classList.add("on");
        }
        if (response == "groups" && document.getElementById("button_groups") != null) {
            document.getElementById("toolbar_shelf_groups").classList.remove("hidden");
            document.getElementById("button_groups").classList.add("on");
        }
        if (response == "backup" && document.getElementById("button_backup") != null) {
            document.getElementById("toolbar_shelf_backup").classList.remove("hidden");
            document.getElementById("button_backup").classList.add("on");
        }
        if (response == "folders" && document.getElementById("button_folders") != null) {
            document.getElementById("toolbar_shelf_folders").classList.remove("hidden");
            document.getElementById("button_folders").classList.add("on");
        }
        if (browserId != "F") {
            chrome.storage.local.get(null, function(storage) {
                let bak1 = storage["windows_BAK1"] ? storage["windows_BAK1"] : [];
                let bak2 = storage["windows_BAK2"] ? storage["windows_BAK2"] : [];
                let bak3 = storage["windows_BAK3"] ? storage["windows_BAK3"] : [];
                if (bak1.length && document.getElementById("#button_load_bak1") != null) {
                    document.getElementById("button_load_bak1").classList.remove("disabled");
                } else {
                    document.getElementById("button_load_bak1").classList.add("disabled");
                }
                if (bak2.length && document.getElementById("#button_load_bak2") != null) {
                    document.getElementById("button_load_bak2").classList.remove("disabled");
                } else {
                    document.getElementById("button_load_bak2").classList.add("disabled");
                }
                if (bak3.length && document.getElementById("#button_load_bak3") != null) {
                    document.getElementById("button_load_bak3").classList.remove("disabled");
                } else {
                    document.getElementById("button_load_bak3").classList.add("disabled");
                }
            });
        }
        DOM_RefreshGUI();
    });
}

function Toolbar_ShelfToggle(mousebutton, button, toolbarId, SendMessage, SidebarRefreshGUI, OptionsRefreshGUI) { // FUNCTION TO TOGGLE SHELFS AND SAVE IT
    if (mousebutton == 1) {
        if (button.classList.contains("on")) {
            let query = document.querySelectorAll(".on");
            for (let s of query) {
                s.classList.remove("on");
            }
            query = document.querySelectorAll(".toolbar_shelf");
            for (let s of query) {
                s.classList.add("hidden");
            }
            chrome.runtime.sendMessage({command: "set_active_shelf", active_shelf: "", windowId: tt.CurrentWindowId});
        } else {
            let query = document.querySelectorAll(".toolbar_shelf:not(#" + toolbarId + ")");
            for (let s of query) {
                s.classList.add("hidden");
            }
            document.getElementById(toolbarId).classList.remove("hidden");
            chrome.runtime.sendMessage({command: "set_active_shelf", active_shelf: SendMessage, windowId: tt.CurrentWindowId});
            query = document.querySelectorAll(".on:not(#" + button.id + ")");
            for (let s of query) {
                s.classList.remove("on");
            }
            button.classList.add("on");
        }
        if (SidebarRefreshGUI) DOM_RefreshGUI();
        if (OptionsRefreshGUI) RefreshGUI();
    }
}

function Toolbar_RemoveToolbar() {
    let toolbar = document.getElementById("toolbar");
    while (toolbar.hasChildNodes()) {
        toolbar.removeChild(toolbar.firstChild);
    }
}

function Toolbar_RecreateToolbar(NewToolbar) {
    let toolbar = document.getElementById("toolbar");
    for (var shelf in NewToolbar) {
        let NewShelf = DOM_New("div", toolbar, {id: shelf, className: "toolbar_shelf"});
        for (let button of NewToolbar[shelf]) {
            let Newbutton = DOM_New("div", NewShelf, {id: button, className: "button"});
            DOM_New("div", Newbutton, {className: "button_img"});
        }
    }
    let toolbar_main = document.getElementById("toolbar_main");
    let SearchShelf = document.getElementById("toolbar_search");
    if (toolbar_main != null && SearchShelf != null) {
        toolbar_main.classList.remove("toolbar_shelf");
        let SearchBox = DOM_New("div", SearchShelf, {id: "toolbar_search_input_box"});
        DOM_New("input", SearchBox, {id: "filter_box", className: "text_input", type: "text", placeholder: labels.searchbox});
        DOM_New("div", SearchBox, {id: "button_filter_clear", type: "reset"}, {opacity: "0", position: "absolute"});
        let SearchButtons = DOM_New("div", SearchShelf, {id: "toolbar_search_buttons"});
        DOM_AppendToNode(document.getElementById("button_filter_type"), SearchButtons);
        DOM_AppendToNode(document.getElementById("filter_search_go_prev"), SearchButtons);
        DOM_AppendToNode(document.getElementById("filter_search_go_next"), SearchButtons);
        DOM_Loadi18n();
    }
}

function Toolbar_RecreateToolbarUnusedButtons(buttonsIds) { // OPTIONS PAGE
    let unused_buttons = document.getElementById("toolbar_unused_buttons");
    for (let button of buttonsIds) {
        let Newbutton = DOM_New("div", unused_buttons, {id: button, className: "button"});
        DOM_New("div", Newbutton, {className: "button_img"});
    }
}

function Toolbar_SaveToolbar() { // OPTIONS PAGE
    let unused_buttons = [];
    let toolbar = {};
    let unused_buttons_div = document.querySelectorAll("#toolbar_unused_buttons .button");
    for (let b of unused_buttons_div) {
        unused_buttons.push(b.id);
    }
    let toolbar_div = document.getElementById("toolbar");
    for (let toolbar_shelf of toolbar_div.childNodes) {
        toolbar[toolbar_shelf.id] = [];
        let query = document.querySelectorAll("#" + toolbar_shelf.id + " .button");
        for (let button of query) {
            toolbar[toolbar_shelf.id].push(button.id);
        }
    }
    chrome.storage.local.set({toolbar: toolbar});
    chrome.storage.local.set({unused_buttons: unused_buttons});
    setTimeout(function() {chrome.runtime.sendMessage({command: "reload_toolbar", toolbar: toolbar, opt: opt});}, 50);
}

// ASSIGN MOUSE EVENTS FOR TOOLBAR BUTTONS, (Buttons AND BindToolbarShelfToggleButtons), PARAMETERS DECIDE IF BUTTONS ARE CLICKABLE
// IN OPTIONS PAGE - TOOLBAR BUTTONS SAMPLES, MUST NOT CALL FUNCTIONS ON CLICKS, BUT STILL SHELFS BUTTONS MUST TOGGLE AND MOREOVER ON CLICK AND NOT ON MOUSEDOWN THIS IS WHERE ToolbarShelfToggleClickType="Click" IS NECESSARY
function Toolbar_SetToolbarEvents(CleanPreviousBindings, BindButtons, BindToolbarShelfToggleButtons, ToolbarShelfToggleClickType, SidebarRefreshGUI, OptionsRefreshGUI) {

    let ClearSearch = document.getElementById("button_filter_clear");
    let FilterBox = document.getElementById("filter_box");

    if (ClearSearch != null && FilterBox != null) {
        if (CleanPreviousBindings) {
            FilterBox.removeEventListener("oninput", function() {});
            ClearSearch.removeEventListener("onmousedown", function() {});
        }
        if (BindButtons) {
            // FILTER ON INPUT
            FilterBox.oninput = function(event) {
                Tabs_FindTab(this.value);
            }
            // CLEAR FILTER BUTTON
            ClearSearch.onmousedown = function(event) {
                if (event.which == 1) {
                    this.style.opacity = "0";
                    this.setAttribute("title", "");
                    Tabs_FindTab("");
                }
            }
        }
    }

    let query = document.querySelectorAll(".button");
    for (let s of query) {
        if (CleanPreviousBindings) {
            s.removeEventListener("onmousedown", function() {});
            s.removeEventListener("onclick", function() {});
            s.removeEventListener("click", function() {});
        }
        if (BindToolbarShelfToggleButtons) {
            if (s.id == "button_search") {
                s.addEventListener(ToolbarShelfToggleClickType, function(event) {
                    if (event.which == 1) Toolbar_ShelfToggle(event.which, this, "toolbar_search", "search", SidebarRefreshGUI, OptionsRefreshGUI);
                });
            }
            if (s.id == "button_tools") {
                s.addEventListener(ToolbarShelfToggleClickType, function(event) {
                    if (event.which == 1) Toolbar_ShelfToggle(event.which, this, "toolbar_shelf_tools", "tools", SidebarRefreshGUI, OptionsRefreshGUI);
                });
            }
            if (s.id == "button_groups") {
                s.addEventListener(ToolbarShelfToggleClickType, function(event) {
                    if (event.which == 1) Toolbar_ShelfToggle(event.which, this, "toolbar_shelf_groups", "groups", SidebarRefreshGUI, OptionsRefreshGUI);
                });
            }
            if (s.id == "button_backup") {
                s.addEventListener(ToolbarShelfToggleClickType, function(event) {
                    if (event.which == 1) Toolbar_ShelfToggle(event.which, this, "toolbar_shelf_backup", "backup", SidebarRefreshGUI, OptionsRefreshGUI);
                });
            }
            if (s.id == "button_folders") {
                s.addEventListener(ToolbarShelfToggleClickType, function(event) {
                    if (event.which == 1) Toolbar_ShelfToggle(event.which, this, "toolbar_shelf_folders", "folders", SidebarRefreshGUI, OptionsRefreshGUI);
                });
            }
        }
        if (BindButtons) {
            if (s.id == "button_new") { // NEW TAB
                s.onclick = function(event) {
                    if (event.which == 1) {
                        if (opt.append_tab_from_toolbar == "group_root") Tabs_OpenNewTab(false, undefined, document.getElementById("°"+tt.active_group));
                        if (opt.append_tab_from_toolbar == "as_regular_orphan") Tabs_OpenNewTab(false, undefined, undefined);
                    }
                }
                s.onmousedown = function(event) {
                    if (event.which == 2) { // DUPLICATE TAB
                        event.preventDefault();
                        let activeTab = document.querySelector("#" + tt.active_group + " .active_tab") != null ? document.querySelector("#" + tt.active_group + " .active_tab") : document.querySelector(".pin.active_tab") != null ? document.querySelector(".pin.active_tab") : null;
                        if (activeTab != null && tt.tabs[activeTab.id]) tt.tabs[activeTab.id].DuplicateTab();
                    }
                    if (event.which == 3) { // SCROLL TO TAB
                        chrome.tabs.query({currentWindow: true, active: true}, function(activeTab) {
                            if (activeTab[0].pinned && opt.pin_list_multi_row == false && tt.tabs[activeTab[0].id]) tt.tabs[activeTab[0].id].ScrollToTab();
                            if (activeTab[0].pinned == false) {
                                let Tab = document.getElementById(activeTab[0].id);
                                let groupId = DOM_GetParentsByClass(Tab, "group")[0].id;
                                Groups_SetActiveGroup(groupId, true, true);
                            }
                        });
                    }
                }
            }
            if (s.id == "button_pin") { // PIN TAB
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        let Tabs = document.querySelectorAll(".pin.active_tab, .pin.selected, #" + tt.active_group + " .active_tab, #" + tt.active_group + " .selected");
                        for (let s of Tabs) {
                            chrome.tabs.update(parseInt(s.id), {pinned: Tabs[0].classList.contains("tab")});
                        }
                    }
                }
            }
            if (s.id == "button_options") { // VERTICAL TABS OPTIONS
                s.onmousedown = function(event) {
                    if (event.which == 1) chrome.tabs.create({url: "options/options.html"});
                }
            }
            if (s.id == "button_undo") { // UNDO CLOSE
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        chrome.sessions.getRecentlyClosed(null, function(sessions) {
                            if (sessions.length > 0) chrome.sessions.restore(null, function(restored) {});
                        });
                    }
                }
            }
            if (s.id == "button_detach" || s.id == "button_move") { // MOVE TAB TO NEW WINDOW (DETACH), move is legacy name of detach button
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        DOM_FreezeSelection(false);
                        let Nodes = [];
                        let NodesTypes = {DraggingPin: false, DraggingTab: false, DraggingFolder: false};
                        let query = [];
                        if (document.querySelectorAll(".selected").length > 0) {
                           query = document.querySelectorAll(".selected, .selected .tab, .selected .folder");
                        } else {
                            query = document.querySelectorAll(".active_tab");
                        }
                        for (let s of query) {
                            if (s.classList.contains("pin")) {
                                NodesTypes.DraggingPin = true;
                                Nodes.push({id: s.id, parent: s.parentNode.id, selected: s.classList.contains("selected"), temporary: s.classList.contains("selected_temporarly"), NodeClass: "pin"});
                            }
                            if (s.classList.contains("tab")) {
                                NodesTypes.DraggingTab = true;
                                Nodes.push({id: s.id, parent: s.parentNode.id, selected: s.classList.contains("selected"), temporary: s.classList.contains("selected_temporarly"), NodeClass: "tab"});
                            }
                            if (s.classList.contains("folder")) {
                                NodesTypes.DraggingFolder = true;
                                Nodes.push({id: s.id, parent: s.parentNode.id, selected: s.classList.contains("selected"), temporary: s.classList.contains("selected_temporarly"), NodeClass: "folder", index: (tt.folders[s.id] ? tt.folders[s.id].index : 0), name: (tt.folders[s.id] ? tt.folders[s.id].name : labels.noname_group), expand: (tt.folders[s.id] ? tt.folders[s.id].expand : "")});
                            }
                        }
                        Tabs_Detach(Nodes, NodesTypes, {});
                    }
                }
            }
            if (s.id == "filter_search_go_prev") { // GO TO PREVIOUS SEARCH RESULT
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        let filtered = document.querySelectorAll("#" + tt.active_group + " .tab.filtered");
                        if (filtered.length > 0) {
                            
                            let query = document.querySelectorAll(".highlighted_search");
                            for (let s of query) {
                                s.classList.remove("highlighted_search");
                            }
                            if (tt.SearchIndex == 0) {
                                tt.SearchIndex = filtered.length - 1;
                            } else {
                                tt.SearchIndex--;
                            }
                            filtered[tt.SearchIndex].classList.add("highlighted_search");
                            if (tt.tabs[filtered[tt.SearchIndex].id]) tt.tabs[filtered[tt.SearchIndex].id].ScrollToTab();
                        }
                    }
                }
            }
            if (s.id == "filter_search_go_next") { // GO TO NEXT SEARCH RESULT
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        let filtered = document.querySelectorAll("#" + tt.active_group + " .tab.filtered");
                        if (filtered.length > 0) {
                            
                            let query = document.querySelectorAll(".highlighted_search");
                            for (let s of query) {
                                s.classList.remove("highlighted_search");
                            }
                            if (tt.SearchIndex == filtered.length - 1) {
                                tt.SearchIndex = 0;
                            } else {
                                tt.SearchIndex++;
                            }
                            filtered[tt.SearchIndex].classList.add("highlighted_search");
                            if (tt.tabs[filtered[tt.SearchIndex].id]) tt.tabs[filtered[tt.SearchIndex].id].ScrollToTab();
                        }
                    }
                }
            }
            if (s.id == "button_groups_toolbar_hide") {  // SHOW/HIDE GROUPS TOOLBAR
                s.onmousedown = function(event) {
                    if (event.which == 1) Groups_GroupsToolbarToggle();
                }
            }
            if (s.id == "button_manager_window") { // SHOW GROUP MANAGER
                s.onmousedown = function(event) {
                    if (event.which == 1 && document.getElementById("manager_window").style.top == "-500px") {
                        Manager_OpenManagerWindow();
                    } else {
                        DOM_HideRenameDialogs();
                    }
                }
            }
            if (s.id == "button_new_group") { // NEW GROUP
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        let NewGroupId = Groups_AddNewGroup();
                        Groups_ShowGroupEditWindow(NewGroupId);
                    }
                }
            }
            if (s.id == "button_remove_group") { // REMOVE GROUP
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        if (tt.active_group != "tab_list") Groups_GroupRemove(tt.active_group, event.shiftKey);
                    }
                }
            }
            if (s.id == "button_edit_group") { // EDIT GROUP
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        if (tt.active_group != "tab_list") Groups_ShowGroupEditWindow(tt.active_group);
                    }
                }
            }
            if (s.id == "button_export_group") { // EXPORT GROUP
                s.onmousedown = function(event) {
                    if (event.which == 1) Manager_ExportGroup(tt.active_group, tt.groups[tt.active_group].name, false);
                }
            }
            if (s.id == "button_import_group") { // IMPORT GROUP
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        let inputFile = File_ShowOpenFileDialog(".tt_group");
                        inputFile.onchange = function(event) {
                            Manager_ImportGroup(true, false);
                        }
                    }
                }
            }
            if (s.id == "button_new_folder") { // NEW FOLDER
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        let FolderId = Folders_AddNewFolder({});
                        Folders_ShowRenameFolderDialog(FolderId);
                    }
                }
            }
            if (s.id == "button_edit_folder") { // RENAME FOLDER
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        if (document.querySelectorAll("#" + tt.active_group + " .selected").length > 0) Folders_ShowRenameFolderDialog(document.querySelectorAll("#" + tt.active_group + " .selected")[0].id);
                    }
                }
            }
            if (s.id == "button_remove_folder") { // REMOVE FOLDERS
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        
                        let query = document.querySelectorAll("#" + tt.active_group + " .selected");
                        for (let s of query) {
                            Folders_RemoveFolder(s.id);
                        }
                    }
                }
            }
            if (s.id == "button_unload" || s.id == "button_discard") { // DISCARD TABS
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        if (document.querySelectorAll(".pin.selected:not(.active_tab), #" + tt.active_group + " .selected:not(.active_tab)").length > 0) {
                            Tabs_DiscardTabs(
                                Array.prototype.map.call(document.querySelectorAll(".pin:not(.active_tab), #" + tt.active_group + " .selected:not(.active_tab)"), function(s) {
                                    return parseInt(s.id);
                                })
                            );
                        } else {
                            Tabs_DiscardTabs(
                                Array.prototype.map.call(document.querySelectorAll(".pin:not(.active_tab), .tab:not(.active_tab)"), function(s) {
                                    return parseInt(s.id);
                                })
                            );
                        }
                    }
                }
            }
            if (s.id == "button_import_bak") { // IMPORT BACKUP
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        let inputFile = File_ShowOpenFileDialog(".tt_session");
                        inputFile.onchange = function(event) {
                            Manager_ImportSession(true, false, false);
                        }
                    }
                }
            }
            if (s.id == "button_export_bak") { // EXPORT BACKUP
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        let d = new Date();
                        Manager_ExportSession((d.toLocaleString().replace(/\//g, ".").replace(/:/g, "꞉")), true, false, false);
                    }
                }
            }
            if (s.id == "button_import_merge_bak") { // MERGE BACKUP
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        let inputFile = File_ShowOpenFileDialog(".tt_session");
                        inputFile.onchange = function(event) {
                            Manager_ImportSession(false, false, true);
                            // Manager_ImportMergeTabs();
                        }
                    }
                }
            }
            if (s.id == "button_filter_type") { // CHANGE FILTERING TYPE
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        if (this.classList.contains("url")) {
                            DOM_SetClasses(this, ["title"], ["url"], []);
                            chrome.runtime.sendMessage({command: "set_search_filter", search_filter: "title", windowId: tt.CurrentWindowId});
                        } else {
                            DOM_SetClasses(this, ["url"], ["title"], []);
                            chrome.runtime.sendMessage({command: "set_search_filter", search_filter: "url", windowId: tt.CurrentWindowId});
                        }
                        Tabs_FindTab(document.getElementById("filter_box").value);
                    }
                }
            }
            if (s.id == "button_reboot") { // EMERGENCY RELOAD
                s.onmousedown = function(event) {
                    if (event.which == 1) {
                        chrome.runtime.sendMessage({command: "reload"});
                        chrome.runtime.sendMessage({command: "reload_sidebar"});
                        location.reload();
                    }
                }
            }
            if (browserId != "F") {
                if (s.id == "button_bookmarks") { // BOOKMARKS
                    s.onmousedown = function(event) {
                        if (event.which == 1) chrome.tabs.create({url: "chrome://bookmarks/"});
                    }
                }
                if (s.id == "button_downloads") { // DOWNLOADS
                    s.onmousedown = function(event) {
                        if (event.which == 1) chrome.tabs.create({url: "chrome://downloads/"});
                    }
                }
                if (s.id == "button_history") { // HISTORY
                    s.onmousedown = function(event) {
                        if (event.which == 1) chrome.tabs.create({url: "chrome://history/"});
                    }
                }
                if (s.id == "button_extensions") { // EXTENSIONS
                    s.onmousedown = function(event) {
                        if (event.which == 1) chrome.tabs.create({url: "chrome://extensions"});
                    }
                }
                if (s.id == "button_settings") { // SETTINGS
                    s.onmousedown = function(event) {
                        if (event.which == 1) chrome.tabs.create({url: "chrome://settings/"});
                    }
                }
                if (s.id == "button_load_bak1" || s.id == "button_load_bak2" || s.id == "button_load_bak3") { // LOAD BACKUPS
                    s.onmousedown = function(event) {
                        if (event.which == 1 && this.classList.contains("disabled") == false) {
                            let BakN = (this.id).substr(15);
                            chrome.storage.local.get(null, function(storage) {
                                if (Object.keys(storage["windows_BAK" + BakN]).length > 0) chrome.storage.local.set({"windows": storage["windows_BAK" + BakN]});
                                if (Object.keys(storage["tabs_BAK" + BakN]).length > 0) {
                                    chrome.storage.local.set({"tabs": storage["tabs_BAK" + BakN]});
                                    alert("Loaded backup");
                                }
                                chrome.runtime.sendMessage({command: "reload"});
                                chrome.runtime.sendMessage({command: "reload_sidebar"});
                                location.reload();
                            });
                        }
                    }
                }
            }
        }
    }
}