<div iav-media-query class="position-absolute w-100 h-100" #media="iavMediaQuery">
  <ng-container *ngTemplateOutlet="viewerTmpl">
  </ng-container>

  <div class="floating-ui">

    <div *ngIf="(media.mediaBreakPoint$ | async) < 2"
      class="fixed-bottom sxplr-pe-none sxplr-mb-10 d-flex justify-content-center">
      <logo-container></logo-container>
    </div>

    <div *ngIf="(media.mediaBreakPoint$ | async) < 2" floatingMouseContextualContainerDirective>

      <div class="h-0"
        iav-mouse-hover
        #iavMouseHoverContextualBlock="iavMouseHover">
      </div>
      <mat-list dense class="contextual-block">
        <mat-list-item *ngFor="let cvtOutput of iavMouseHoverContextualBlock.currentOnHoverObs$ | async | mouseoverCvt"
          class="h-auto">

          <mat-icon
            [fontSet]="cvtOutput.icon.fontSet"
            [fontIcon]="cvtOutput.icon.fontIcon"
            mat-list-icon>
          </mat-icon>

          <div matLine>{{ cvtOutput.text }}</div>

        </mat-list-item>

      </mat-list>
      <!-- TODO Potentially implementing plugin contextual info -->
    </div>

    <!-- mouse on click context menu, currently not used -->
    <!-- <div class="floating-container"
      [attr.aria-label]="CONTEXT_MENU_ARIA_LABEL"
      fixedMouseContextualContainerDirective
      #fixedContainer="iavFixedMouseCtxContainer">

      

    </div> -->

  </div>
</div>


<!-- master draw container -->
<mat-drawer-container
  *ngIf="viewerLoaded"
  iav-switch
  [iav-switch-state]="!(onlyShowMiniTray$ | async)"
  #showFullSidenavSwitch="iavSwitch"
  class="position-absolute w-100 h-100 mat-drawer-content-overflow-visible invisible"
  [hasBackdrop]="false">
  
  <!-- master drawer -->
  <mat-drawer
    mode="side"
    #drawer="matDrawer"
    [opened]="!(onlyShowMiniTray$ | async)"
    [@openClose]="showFullSidenavSwitch && (showFullSidenavSwitch.switchState$ | async) ? 'open' : 'closed'"
    (@openClose.start)="$event.toState === 'open' && drawer.open()"
    (@openClose.done)="$event.toState === 'closed' && drawer.close()"
    [autoFocus]="false"
    [disableClose]="true"
    class="sxplr-custom-cmp darker-bg sxplr-p-0 pe-all col-10 col-sm-10 col-md-5 col-lg-4 col-xl-3 col-xxl-2 z-index-10">

    <!-- entry template -->
    <ng-template [ngIf]="viewerMode$ | async" let-mode [ngIfElse]="regularTmpl">
      <ng-template [ngTemplateOutlet]="alternateModeDrawerTmpl"
        [ngTemplateOutletContext]="{
          mode: mode
        }"></ng-template>
    </ng-template>

    <!-- regular mode  -->
    <ng-template #regularTmpl>
      <ng-template
        [ngTemplateOutlet]="regularModeDrawerTmpl"
        [ngTemplateOutletContext]="{
          drawer: drawer,
          showFullSidenavSwitch: showFullSidenavSwitch
        }">
      </ng-template>
    </ng-template>
  </mat-drawer>

  <!-- master content -->
  <mat-drawer-content class="visible sxplr-pe-none position-relative">
    <iav-layout-fourcorners>

      <!-- top left -->
      <div iavLayoutFourCornersTopLeft class="ws-no-wrap">

        <!-- special mode -->
        <ng-template [ngIf]="viewerMode$ | async" let-mode [ngIfElse]="defaultTopLeftTmpl">
          <ng-template [ngTemplateOutlet]="specialModeTopLeftTmpl"
            [ngTemplateOutletContext]="{
              mode: mode,
              toggleMatDrawer: drawer.toggle.bind(drawer)
            }">
          </ng-template>
        </ng-template>

        <!-- default mode top left tmpl -->
        <ng-template #defaultTopLeftTmpl>
          <ng-template [ngTemplateOutlet]="defaultMainContentTopLeft"
            [ngTemplateOutletContext]="{
              isOpen: drawer.opened,
              drawer: drawer,
              showFullSidenavSwitch: showFullSidenavSwitch
            }">
          </ng-template>
        </ng-template>
      </div>

      <!-- top right -->
      <div iavLayoutFourCornersTopRight class="ws-no-wrap">

        <!-- exit special mode -->
        <ng-template [ngIf]="viewerMode$ | async" let-mode [ngIfElse]="defaultTopRightTmpl">
          <ng-template [ngTemplateOutlet]="specialTopRightTmpl"
            [ngTemplateOutletContext]="{
              mode: mode
            }">
          </ng-template>
        </ng-template>
        
        <!-- default mode top right tmpl -->
        <ng-template #defaultTopRightTmpl>
          <ng-template [ngTemplateOutlet]="minDefaultMainContentTopRight">
          </ng-template>
        </ng-template>
      </div>


      <!-- bottom left -->
      <div iavLayoutFourCornersBottomLeft class="ws-no-wrap d-inline-flex w-100vw sxplr-pe-none align-items-center mb-4">

        <!-- special bottom left -->
        <ng-template [ngIf]="viewerMode$ | async" let-mode [ngIfElse]="localBottomLeftTmpl"></ng-template>
        
        <!-- default mode bottom left tmpl -->
        <ng-template #localBottomLeftTmpl>

          <!-- not the most elegant, but it's a hard problem to solve -->
          <!-- on the one hand, showFullSidenavSwitch can be of two states -->
          <!-- and drawer.opened can be of two states -->
          <ng-template [ngTemplateOutlet]="bottomLeftTmpl"
            [ngTemplateOutletContext]="{
              showFullSideNav: (showFullSidenavSwitch.switchState$ | async)
                ? drawer.open.bind(drawer)
                : showFullSidenavSwitch.open.bind(showFullSidenavSwitch)
            }">
          </ng-template>
        </ng-template>
        
      </div>

      <!-- buttom right -->
      <div iavLayoutFourCornersBottomRight>
        <div class="leap-control-wrapper">
          <div leap-control-view-ref></div>
        </div>
      </div>
    </iav-layout-fourcorners>
  </mat-drawer-content>
</mat-drawer-container>

<!-- alternate mode drawer tmpl -->
<ng-template #alternateModeDrawerTmpl let-mode="mode">
  <ng-container [ngSwitch]="mode">
    <annotation-list *ngSwitchCase="ARIA_LABELS.VIEWER_MODE_ANNOTATING">
    </annotation-list>
    <key-frame-controller *ngSwitchCase="ARIA_LABELS.VIEWER_MODE_KEYFRAME">
    </key-frame-controller>
    <span *ngSwitchDefault>View mode {{ mode }} does not have side nav registered.</span>
  </ng-container>
</ng-template>


<!-- regular mode drawer tmpl -->
<ng-template #regularModeDrawerTmpl
  let-drawer="drawer"
  let-showFullSidenavSwitch="showFullSidenavSwitch">

  <!-- selectedFeature || selectedRegion -->
  <ng-template
    [ngTemplateOutlet]="(selectedFeature$ | async)
      ? selectedFeatureTmpl
      : sidenavRegionTmpl"
    [ngTemplateOutletContext]="{
      drawer: drawer,
      showFullSidenavSwitch: showFullSidenavSwitch,
      feature: selectedFeature$ | async
    }">
  </ng-template>
</ng-template>


<!-- minimal default drawer content -->
<ng-template #minSearchTray
  let-showFullSidenav="showFullSidenav"
  let-drawer="drawer">

  <div class="mt-2 d-inline-block vw-col-10 vw-col-sm-10 vw-col-md-5 vw-col-lg-4 vw-col-xl-3 vw-col-xxl-2"
    iav-switch
    [iav-switch-state]="true"
    #minTrayVisSwitch="iavSwitch"
    [ngClass]="{
      'vw-col-10-nm vw-col-sm-10-nm vw-col-md-5-nm vw-col-lg-4-nm vw-col-xl-3-nm vw-col-xxl-2-nm': !(minTrayVisSwitch.switchState$ | async),
      'transition-margin-left': !drawer.opened
    }">

    <!-- collapsed side bar view -->
    <div class="h-0 w-100 region-text-search-autocomplete-position">
      <ng-container *ngTemplateOutlet="autocompleteTmpl; context: { showTour: true }">
      </ng-container>
      
      <div *ngIf="!((selectedRegions$ | async)[0])" class="sxplr-p-1 w-100">
        <ng-container *ngTemplateOutlet="spatialFeatureListTmpl"></ng-container>
      </div>
    </div>

    <!-- such a gross implementation -->
    <!-- TODO fix this -->
    <div class="min-tray-explr-btn"
      sxplr-sapiviews-core-region
      [sxplr-sapiviews-core-region-atlas]="selectedAtlas$ | async"
      [sxplr-sapiviews-core-region-template]="templateSelected$ | async"
      [sxplr-sapiviews-core-region-parcellation]="parcellationSelected$ | async"
      [sxplr-sapiviews-core-region-region]="(selectedRegions$ | async)[0]"
      [sxplr-sapiviews-core-region-detail-flag]="true"
      #sapiRegion="sapiViewsCoreRegion">

      <!-- TODO use sapiViews/core/region/base and fix the rest -->
      <button mat-raised-button
        *ngIf="!(onlyShowMiniTray$ | async)"
        [attr.aria-label]="ARIA_LABELS.EXPAND"
        (click)="showFullSidenav()"
        class="sxplr-mt-9 sxplr-pe-all w-100"
        [ngClass]="{
          'darktheme': sapiRegion.regionDarkmode,
          'lighttheme': !sapiRegion.regionDarkmode
        }"
        [style.backgroundColor]="sapiRegion.regionRgbString">
        <span class="text sxplr-custom-cmp">
          Explore
        </span>
      </button>
    </div>
  
  </div>

</ng-template>


<!-- top left -->
<!-- default top left -->
<ng-template #defaultMainContentTopLeft
  let-isOpen="isOpen"
  let-drawer="drawer"
  let-showFullSidenavSwitch="showFullSidenavSwitch">

  <!-- min search tray -->
  <ng-template [ngIf]="!(showFullSidenavSwitch.switchState$ | async)">
    <ng-template
      [ngTemplateOutlet]="minSearchTray"
      [ngTemplateOutletContext]="{
        showFullSidenav: showFullSidenavSwitch.open.bind(showFullSidenavSwitch),
        drawer: drawer
      }">
    </ng-template>
  </ng-template>

  <!-- pullable tab top left corner -->
  <div *ngIf="showFullSidenavSwitch.switchState$ | async"
    class="v-align-top pe-all tab-toggle-container d-inline-block"
    (click)="drawer.toggle()"
    quick-tour
    [quick-tour-description]="quickTourRegionSearch.description"
    [quick-tour-order]="quickTourRegionSearch.order">
    <ng-container *ngTemplateOutlet="tabTmpl; context: {
      isOpen: isOpen,
      regionSelected: selectedRegions$ | async
    }">
    </ng-container>
  </div>

  <!-- status panel for (for nehuba viewer) -->
  <iav-cmp-viewer-nehuba-status *ngIf="(useViewer$ | async) === 'nehuba'"
    class="pe-all mt-2 muted-7 d-inline-block v-align-top">
  </iav-cmp-viewer-nehuba-status>
  <button
    mat-icon-button
    sxplr-share-view
    *ngIf="(useViewer$ | async) === 'threeSurfer'"
    class="pe-all mt-2 muted-7 d-inline-block v-align-top">
    <i class="fas fa-share-square"></i>
  </button>
</ng-template>


<!-- special mode top left -->
<ng-template #specialModeTopLeftTmpl
  let-mode="mode"
  let-toggleMatDrawer="toggleMatDrawer">

  <div class="tab-toggle-container">

    <ng-container [ngSwitch]="mode">
      <!-- annotating top left -->
      <ng-template [ngSwitchCase]="ARIA_LABELS.VIEWER_MODE_ANNOTATING">
        <ng-container *ngTemplateOutlet="tabTmpl_defaultTmpl; context: {
          matColor: 'primary',
          fontIcon: 'fa-list',
          tooltip: 'Annotation list',
          click: toggleMatDrawer,
          badge: toolPanel?.annBadges$ | async
        }">
        </ng-container>
  
        <annotating-tools-panel class="z-index-10 d-block"
          #toolPanel="annoToolsPanel">
        </annotating-tools-panel>
      </ng-template>

      <ng-template [ngSwitchCase]="ARIA_LABELS.VIEWER_MODE_KEYFRAME">

        <ng-container *ngTemplateOutlet="tabTmpl_defaultTmpl; context: {
          matColor: 'primary',
          fontIcon: 'fa-play',
          tooltip: 'Annotation list',
          click: toggleMatDrawer
        }">
        </ng-container>
      </ng-template>
    </ng-container>
  </div>
</ng-template>


<!-- top right -->
<!-- default top right -->
<ng-template #minDefaultMainContentTopRight>

  <!-- signin banner at top right corner -->
  <top-menu-cmp class="mt-3 mr-2 d-inline-block"
    [ismobile]="(media.mediaBreakPoint$ | async) > 3"
    [viewerLoaded]="viewerLoaded">
  </top-menu-cmp>

</ng-template>


<!-- special mode top right -->
<ng-template #specialTopRightTmpl let-mode="mode">
  <mat-card class="mat-card-sm pe-all m-4">
    <span>
      {{ mode }}
    </span>
    <button mat-icon-button
      color="warn"
      (click)="exitSpecialViewMode()">
      <i class="fas fa-times"></i>
    </button>
  </mat-card>
</ng-template>

<!-- bottom left -->
<ng-template #bottomLeftTmpl let-showFullSideNav="showFullSideNav">

  <!-- scroll container -->
  <div class="sxplr-d-inline-flex
    sxplr-flex-wrap-nowrap
    sxplr-mxw-80vw
    sxplr-pe-all
    sxplr-of-x-auto
    sxplr-of-y-hidden
    sxplr-align-items-stretch">
    
    <sxplr-wrapper-atp-selector class="sxplr-z-2">
    </sxplr-wrapper-atp-selector>

    <!-- selected region chip -->
    <ng-template ngFor [ngForOf]="selectedRegions$ | async" let-region>
      <sxplr-smart-chip
        [noMenu]="true"
        [color]="sapiViewsCoreRegion.regionRgbString"
        (click)="showFullSideNav()"
        sxplr-sapiviews-core-region
        [sxplr-sapiviews-core-region-atlas]="selectedAtlas$ | async"
        [sxplr-sapiviews-core-region-template]="templateSelected$ | async"
        [sxplr-sapiviews-core-region-parcellation]="parcellationSelected$ | async"
        [sxplr-sapiviews-core-region-region]="region"
        [sxplr-sapiviews-core-region-detail-flag]="true"
        #sapiViewsCoreRegion="sapiViewsCoreRegion">
        <ng-template sxplrSmartChipContent>
          <span class="regionname">
            {{ region.name }}
          </span>
          <button class="sxplr-mr-n3"
            mat-icon-button
            (click)="clearRoi()">
            <i class="fas fa-times"></i>
          </button>
        </ng-template>
      </sxplr-smart-chip>

    </ng-template>
  </div>

</ng-template>


<!-- viewer tmpl -->
<ng-template #viewerTmpl>
  <div class="position-absolute w-100 h-100 z-index-1">
    
    <ng-container [ngSwitch]="useViewer$ | async">

      <!-- nehuba viewer -->
      <iav-cmp-viewer-nehuba-glue class="d-block w-100 h-100 position-absolute left-0 tosxplr-p-0"
        *ngSwitchCase="'nehuba'"
        (viewerEvent)="handleViewerEvent($event)"
        #iavCmpViewerNehubaGlue="iavCmpViewerNehubaGlue">
      </iav-cmp-viewer-nehuba-glue>

      <!-- three surfer (free surfer viewer) -->
      <tmp-threesurfer-lifecycle class="d-block w-100 h-100 position-absolute left-0 tosxplr-p-0"
        *ngSwitchCase="'threeSurfer'"
        (viewerEvent)="handleViewerEvent($event)">
      </tmp-threesurfer-lifecycle>

      <!-- if not supported, show not supported message -->
      <div *ngSwitchCase="'notsupported'">Template not supported by any of the viewers</div>

      <!-- by default, show splash screen -->
      <div class="sxplr-h-100" *ngSwitchDefault>
        <ng-template [ngIf]="(selectedAtlas$ | async)" [ngIfElse]="splashScreenTmpl">
          <div class="center-a-div">
            <div class="loading-atlas-text-container">
              <spinner-cmp class="fs-200"></spinner-cmp>
              <span>
                Loading 
                {{ (selectedAtlas$ | async).name }}
              </span>
            </div>
          </div>
        </ng-template>
        <ng-template #splashScreenTmpl>
          <ui-splashscreen class="position-absolute left-0 tosxplr-p-0">
          </ui-splashscreen>
        </ng-template>
      </div>
    </ng-container>

    <!-- <div class="h-100 w-100 overflow-hidden position-relative"
      ctx-menu-host
      [ctx-menu-host-tmpl]="viewerCtxMenuTmpl">
    </div> -->
  </div>
</ng-template>

<!-- region-hierarchy-tmpl -->

<ng-template #regionHierarchyTmpl>
  <div class="sxplr-d-flex sxplr-flex-column sxplr-h-100">
    <sxplr-sapiviews-core-rich-regionshierarchy
      class="sxplr-w-100 sxplr-flex-var"
      [sxplr-sapiviews-core-rich-regionshierarchy-regions]="allAvailableRegions$ | async"
      [sxplr-sapiviews-core-rich-regionshierarchy-accent-regions]="selectedRegions$ | async"
      (sxplr-sapiviews-core-rich-regionshierarchy-region-select)="selectRoi($event)"
      >
    </sxplr-sapiviews-core-rich-regionshierarchy>
  
    <mat-dialog-actions align="center" class="sxplr-flex-static">
      <button mat-button mat-dialog-close>Close</button>
    </mat-dialog-actions>
  </div>
</ng-template>

<!-- auto complete search box -->
<ng-template #autocompleteTmpl let-showTour="showTour">
  <div class="sxplr-custom-cmp bg card ml-2 mr-2 mat-elevation-z8 pe-all auto-complete-container">
    
    <sxplr-sapiviews-core-rich-regionlistsearch
      [sxplr-sapiviews-core-rich-regionlistsearch-regions]="allAvailableRegions$ | async"
      [sxplr-sapiviews-core-rich-regionlistsearch-current-search]="selectedRegions$ | async | getProperty : 0 | getProperty : 'name'"
      (sxplr-sapiviews-core-rich-regionlistsearch-region-select)="selectRoi($event)">
      <ng-template regionTemplate let-region>
        <div class="sxplr-d-flex">
          <button
            mat-icon-button
            class="sxplr-mt-a sxplr-mb-a">
            <i [ngClass]="(selectedRegions$ | async | includes : region) ? 'fa-circle' : 'fa-none'" class="fas"></i>
          </button>

          <sxplr-sapiviews-core-region-region-list-item
            [sxplr-sapiviews-core-region-region]="region">
          </sxplr-sapiviews-core-region-region-list-item>
        </div>
      </ng-template>
      <button mat-icon-button
        search-input-suffix
        *ngIf="selectedRegions$ | async | getProperty : 'length'"
        (click)="clearRoi()">
        <i class="fas fa-times"></i>
      </button>
    </sxplr-sapiviews-core-rich-regionlistsearch>

    <button mat-icon-button
      color="primary"
      [sxplr-dialog]="regionHierarchyTmpl"
      sxplr-dialog-size="xl">
      <i class="fas fa-sitemap"></i>
    </button>

    <div class="w-100 h-100 position-absolute sxplr-pe-none" *ngIf="showTour">
    </div>

  </div>
</ng-template>

<!-- template for rendering tab -->
<ng-template #tabTmpl
  let-isOpen="isOpen"
  let-regionSelected="regionSelected"
  let-iavAdditionallayers="iavAdditionallayers"
  let-click="click"
  let-badge="badge">

  <!-- if mat drawer is open -->
  <ng-template [ngIf]="isOpen" [ngIfElse]="tabTmpl_closedTmpl">
    <ng-template [ngTemplateOutlet]="tabTmpl_defaultTmpl"
      [ngTemplateOutletContext]="{
        matColor: 'basic',
        fontIcon: 'fa-chevron-left',
        click: click,
        badge: badge
      }">
    </ng-template>
  </ng-template>

  <!-- if matdrawer is closed -->
  <ng-template #tabTmpl_closedTmpl>

    <!-- if additional layers are being shown -->
    <ng-template [ngIf]="iavAdditionallayers?.length > 0" [ngIfElse]="tabTmpl_noAdditionalLayers">
      <ng-container *ngTemplateOutlet="tabTmpl_defaultTmpl; context: {
        matColor: 'accent',
        fontIcon: 'fa-database',
        tooltip: 'Explore dataset preview',
        click: click
      }">
      </ng-container>
    </ng-template>

    <!-- if additional layers not not being shown -->
    <ng-template #tabTmpl_noAdditionalLayers>

      <!-- if region selected > 0 -->
      <ng-template [ngIf]="regionSelected?.length > 0" [ngIfElse]="tabTmpl_nothingSelected">

        <div sxplr-sapiviews-core-region
          [sxplr-sapiviews-core-region-detail-flag]="true"
          [sxplr-sapiviews-core-region-atlas]="selectedAtlas$ | async"
          [sxplr-sapiviews-core-region-template]="templateSelected$ | async"
          [sxplr-sapiviews-core-region-parcellation]="parcellationSelected$ | async"
          [sxplr-sapiviews-core-region-region]="regionSelected[0]"
          #tabTmpl_iavRegion="sapiViewsCoreRegion">

        </div>

        <!-- TODO fix with sapiView/core/region directive -->
        <ng-container *ngTemplateOutlet="tabTmpl_defaultTmpl; context: {
          matColor: 'accent',
          customColor: tabTmpl_iavRegion.regionRgbString,
          customColorDarkmode: tabTmpl_iavRegion.regionDarkmode,
          fontIcon: 'fa-brain',
          tooltip: 'Explore ' + regionSelected[0].name,
          click: click
        }">

        </ng-container>
      </ng-template>

      <!-- nothing is selected -->
      <ng-template #tabTmpl_nothingSelected>
        <ng-container *ngTemplateOutlet="tabTmpl_defaultTmpl; context: {
          matColor: 'primary',
          fontIcon: 'fa-sitemap',
          tooltip: 'Explore regions',
          click: click,
          badge: badge
        }">
        </ng-container>
      </ng-template>
    </ng-template>
  </ng-template>


</ng-template>

<ng-template #tabTmpl_defaultTmpl
  let-matColor="matColor"
  let-fontIcon="fontIcon"
  let-customColor="customColor"
  let-customColorDarkmode="customColorDarkmode"
  let-tooltip="tooltip"
  let-badge="badge"
  let-badgeColor="badgeColor"
  let-click="click">
  <!-- (click)="sideNavMasterSwitch.toggle()" -->
  <button mat-raised-button
    [attr.aria-label]="ARIA_LABELS.TOGGLE_SIDE_PANEL"
    [matTooltip]="tooltip"
    class="pe-all tab-toggle"
    [ngClass]="{
      'darktheme': customColorDarkmode === true,
      'lighttheme': customColorDarkmode === false
    }"
    (click)="click && click()"
    [style.backgroundColor]="customColor"
    [color]="(!customColor && matColor) ? matColor : null"
    [matBadge]="badge"
    [matBadgeColor]="badgeColor || 'warn'">

    <span [ngClass]="{'sxplr-custom-cmp  text': !!customColor}">
      <i class="fas" [ngClass]="fontIcon || 'fa-question'"></i>
    </span>
  </button>
</ng-template>


<!-- region sidenav tmpl -->
<ng-template #sidenavRegionTmpl
  let-drawer="drawer"
  let-showFullSidenavSwitch="showFullSidenavSwitch">

  <!-- region search autocomplete  -->
  <!-- [@openCloseAnchor]="sideNavFullLeftSwitch.switchState ? 'open' : 'closed'" -->
  <div class="h-0 w-100 region-text-search-autocomplete-position">
    <ng-container *ngTemplateOutlet="autocompleteTmpl">
    </ng-container>
  </div>

  <div class="flex-shrink-1 flex-grow-1 d-flex flex-column sxplr-h-100"
    [ngClass]="{'region-populated': (selectedRegions$ | async).length > 0 }">
    <!-- region detail -->
    <ng-container *ngIf="selectedRegions$ | async as selectedRegions; else selectRegionErrorTmpl">

      <!-- single-region-wrapper -->
      <ng-template [ngIf]="selectedRegions.length === 1" [ngIfElse]="multiRegionWrapperTmpl">
        <!-- a series of bugs result in requiring this hacky -->
        <!-- see https://github.com/HumanBrainProject/interactive-viewer/issues/698 -->


        <ng-template [ngIf]="regionDirective.fetchInProgress$ | async">
          <spinner-cmp class="sxplr-mt-10 fs-200"></spinner-cmp>
        </ng-template>
        <sxplr-sapiviews-core-region-region-rich
          [sxplr-sapiviews-core-region-atlas]="selectedAtlas$ | async"
          [sxplr-sapiviews-core-region-template]="templateSelected$ | async"
          [sxplr-sapiviews-core-region-parcellation]="parcellationSelected$ | async"
          [sxplr-sapiviews-core-region-region]="selectedRegions[0]"
          (sxplr-sapiviews-core-region-region-rich-feature-clicked)="showDataset($event)"
          (sxplr-sapiviews-core-region-navigate-to)="navigateTo($event)"
          #regionDirective="sapiViewsCoreRegionRich"
        >
          <div class="sapi-container" header></div>
        </sxplr-sapiviews-core-region-region-rich>
      </ng-template>

      <!-- multi region wrapper -->
      <ng-template #multiRegionWrapperTmpl>
        <ng-container *ngTemplateOutlet="multiRegionTmpl; context: {
          regions: selectedRegions
        }">
        </ng-container>
        <!-- This is a wrapper for multiregion consisting of {{ selectedRegions.length }} regions -->
      </ng-template>

      <!-- place holder if length === 0 -->
      <ng-container *ngIf="selectedRegions.length === 0">
        no region selected
      </ng-container>
    </ng-container>

    <div class="spacer">
    </div>
  </div>

  <!-- collapse btn -->
  <ng-template [ngTemplateOutlet]="collapseBtn"
    [ngTemplateOutletContext]="{
      collapse: showFullSidenavSwitch.close.bind(showFullSidenavSwitch)
    }">
  </ng-template>
</ng-template>


<!-- expansion tmpl -->
<ng-template #ngMatAccordionTmpl
  let-title="title"
  let-desc="desc"
  let-iconClass="iconClass"
  let-iconTooltip="iconTooltip"
  let-iavNgIf="iavNgIf"
  let-content="content">
</ng-template>

<!-- select region error... for whatever reason -->
<ng-template #selectRegionErrorTmpl>
  SELECT REGION ERROR
</ng-template>


<!-- multi region tmpl -->
<ng-template #multiRegionTmpl let-regions="regions">
  <ng-template [ngIf]="regions.length > 0" [ngIfElse]="regionPlaceholderTmpl">

    <!-- other regions detail accordion -->
    <mat-accordion class="bs-border-box ml-15px-n mr-15px-n mt-2">

      <!-- Multi regions include -->

      <mat-expansion-panel
        [attr.data-opened]="expansionPanel.expanded"
        [attr.data-mat-expansion-title]="'Brain regions'"
        hideToggle
        #expansionPanel="matExpansionPanel">

        <mat-expansion-panel-header>

          <!-- title -->
          <mat-panel-title>
            Brain regions
          </mat-panel-title>

          <!-- desc + icon -->
          <mat-panel-description class="d-flex align-items-center justify-content-end">
            <span class="mr-3">{{ regions.length }}</span>
            <span class="accordion-icon d-inline-flex justify-content-center">
              <i class="fas fa-brain"></i>
            </span>
          </mat-panel-description>

        </mat-expansion-panel-header>

        <!-- content -->
        <ng-template matExpansionPanelContent>
          
          <!-- TODO use actual region chip in sapiViews/core/region/chip -->
          SOMETHING
        </ng-template>
      </mat-expansion-panel>

    </mat-accordion>
  </ng-template>
</ng-template>

<!-- collapse btn -->
<ng-template #collapseBtn let-collapse="collapse">

  <div class="h-0 w-100 collapse-position d-flex flex-column justify-content-end align-items-center">

    <button mat-raised-button class="mat-elevation-z8"
      [attr.aria-label]="ARIA_LABELS.COLLAPSE"
      (click)="collapse()"
      color="basic">
      <i class="fas fa-chevron-up"></i>
      <span>
        collapse
      </span>
    </button>
  </div>
</ng-template>

<!-- region tmpl placeholder -->
<ng-template #regionPlaceholderTmpl>
  <div class="placeholder-region-detail bs-border-box ml-15px-n mr-15px-n mat-elevation-z4">
    <span class="text-muted">
      Select a region by clicking on the viewer or search from above
    </span>
  </div>
</ng-template>

<!-- context menu template -->
<ng-template #viewerCtxMenuTmpl let-tmplRefs="tmplRefs">
  <mat-card class="sxplr-p-0 d-flex flex-column"
    [iav-key-listener]="[{type: 'keydown', target: 'document', capture: true, key: 'Esc'}]"
    (iav-key-event)="disposeCtxMenu()"
    (iav-outsideClick)="disposeCtxMenu()">
    <mat-card-content *ngFor="let tmplRef of tmplRefs"
      class="m-0"
      [ngStyle]="{order: tmplRef.order || 0}">
      <mat-divider></mat-divider>

      <!-- template provided -->
      <ng-template [ngIf]="tmplRef.tmpl"
        [ngIfElse]="fallbackTmpl"
        [ngTemplateOutlet]="tmplRef.tmpl"
        [ngTemplateOutletContext]="{$implicit: tmplRef.data}">
      </ng-template>

      <!-- template not provided -->
      <ng-template #fallbackTmpl>
        {{ tmplRef.data.message || 'test' }}
      </ng-template>

      <mat-divider></mat-divider>
    </mat-card-content>
  </mat-card>
</ng-template>


<!-- viewer status ctx menu -->
<ng-template #viewerStatusCtxMenu let-data>
  <mat-list>

    <!-- ref space & position -->
    <ng-container [ngSwitch]="data.context.viewerType">

      <!-- volumetric i.e. nehuba -->
      <ng-container *ngSwitchCase="'nehuba'">
        <mat-list-item>
          <span mat-line>
            {{ data.context.payload.mouse.real | nmToMm | numbers | addUnitAndJoin : '' }} (mm)
          </span>
          <span mat-line class="text-muted">
            <i class="fas fa-map"></i>
            <span>
              {{ data.metadata.template.displayName || data.metadata.template.name }}
            </span>
          </span>
        </mat-list-item>
      </ng-container>

      <ng-container *ngSwitchCase="'threeSurfer'">
        <mat-list-item *ngIf="data?.context?.payload?.faceIndex && data?.context?.payload?.vertexIndices">
          <span mat-line>
            face#{{ data.context.payload.faceIndex }}
          </span>
          <span mat-line>
            vertices#{{ data.context.payload.vertexIndices | addUnitAndJoin : '' }}
          </span>
          <span mat-line class="text-muted">
            <i class="fas fa-map"></i>
            <span>
              {{ data.context.payload.fsversion }}
            </span>
          </span>
        </mat-list-item>
      </ng-container>

      <ng-container *ngSwitchDefault>
        DEFAULT
      </ng-container>
    </ng-container>
  </mat-list>
</ng-template>


<!-- viewer state hover ctx menu -->
<ng-template #viewerStatusRegionCtxMenu let-data>
  <!-- hovered ROIs -->
  <mat-list>
    <mat-list-item *ngFor="let region of data.metadata.hoveredRegions; let first = first">
      <mat-divider class="top-0" *ngIf="!first"></mat-divider>

      <ng-container *ngTemplateOutlet="viewerStateSapiRegionTmpl; context: { $implicit: region }">
      </ng-container>

    </mat-list-item>
  </mat-list>
</ng-template>


<!-- sapi region tmpl -->
<ng-template #viewerStateSapiRegionTmpl let-region>
  <span mat-line>
    {{ region.name }}
  </span>
  <span mat-line class="text-muted">
    <i class="fas fa-brain"></i>
    <span>
      Brain region
    </span>
  </span>

  <!-- lookup region -->
  <button mat-icon-button
    (click)="selectRoi(region)"
    ctx-menu-dismiss>
    <i class="fas fa-search"></i>
  </button>
</ng-template>


<!-- feature tmpls -->
<ng-template #sapiBaseFeatureTmpl
  let-backCb="backCb"
  let-feature="feature">

  <sxplr-feature-view class="sxplr-z-2 mat-elevation-z2"
    [feature]="feature">

    <div header>
      <!-- back btn -->
      <button mat-button
        *ngIf="backCb"
        (click)="backCb()"
        [attr.aria-label]="ARIA_LABELS.CLOSE"
        class="sxplr-mb-2"
        >
        <i class="fas fa-chevron-left"></i>
        <span class="ml-1">
          Back
        </span>
      </button>
    </div>

  </sxplr-feature-view>
  
</ng-template>

<!-- general feature tmpl -->

<ng-template let-feature="feature" #selectedFeatureTmpl>
  <!-- TODO differentiate between features (spatial, regional etc) -->
  
  <!-- spatial feature tmpl -->
  <ng-container *ngTemplateOutlet="sapiBaseFeatureTmpl; context: {
    backCb: clearSelectedFeature.bind(this),
    feature: feature
  }">
  </ng-container>

  <ng-layer-ctl *ngFor="let vol of feature.volumes"
    class="d-block"
    [ng-layer-ctl-name]="vol.metadata.fullName"
    [ng-layer-ctl-src]="vol.data.url"
    [ng-layer-ctl-transform]="vol.data | getProperty : 'detail' | getProperty: 'neuroglancer/precomputed' | getProperty : 'transform'">
  </ng-layer-ctl>
  <ng-template #sapiVOITmpl>
  </ng-template>

</ng-template>

<!-- spatial search tmpls -->
<ng-template #spatialFeatureListTmpl>
  <mat-card class="sxplr-pe-all"
    [ngClass]="{
      'sxplr-d-none': !(voiSwitch.switchState$ | async) || (voiFeatureEntryCmp.totals$ | async) === 0
    }">
    <mat-card-header>
      <mat-card-title>
        Anchored to current view
      </mat-card-title>
      <mat-card-subtitle>
        <div>
          {{ templateSelected$ | async | getProperty : 'name' }}
        </div>
        <ng-template [ngIf]="bbox.bbox$ | async | getProperty : 'bbox'" let-bbox>
          <div>
            from {{ bbox[0] | numbers | addUnitAndJoin : '' }}
          </div>
          <div>
            to {{ bbox[1] | numbers | addUnitAndJoin : '' }}
          </div>
        </ng-template>
      </mat-card-subtitle>
    </mat-card-header>

    <mat-slide-toggle [formControl]="showVOIWireframeSlideToggle">
      <span>
        Show VOI Wireframe
      </span>
      <spinner-cmp class="sxplr-d-inline-block" *ngIf="loadingVoiWireFrame$ | async"></spinner-cmp>
    </mat-slide-toggle>
  </mat-card>

  <sxplr-feature-entry
    [ngClass]="(voiSwitch.switchState$ | async) ? 'sxplr-d-block' : 'sxplr-d-none'"
    class="sxplr-pe-all mat-elevation-z8"
    [template]="templateSelected$ | async"
    [bbox]="bbox.bbox$ | async | getProperty : 'bbox'"
    #voiFeatureEntryCmp="featureEntryCmp">
  </sxplr-feature-entry>

  <button mat-raised-button
    [ngClass]="{
      'sxplr-d-none': (voiFeatureEntryCmp.totals$ | async) === 0
    }"
    class="sxplr-pe-all sxplr-w-100"
    iav-switch
    [iav-switch-state]="false"
    #voiSwitch="iavSwitch"
    (click)="voiSwitch.toggle()">

    <ng-template [ngIf]="voiSwitch.switchState$ | async" [ngIfElse]="chevronCollapseTmpl">
      <i class="fas fa-chevron-up"></i>
      <span>
        Collapse
      </span>
    </ng-template>

    <ng-template #chevronCollapseTmpl>
      <i class="fas fa-chevron-down"></i>
      <span>
        Explore {{ voiFeatureEntryCmp.totals$ | async }} spatial features
      </span>
    </ng-template>
  </button>

  <!-- TODO voiBbox directive is used to draw outlines for VOI
  this has been temporarily disabled, since datasource is paginated 
  and how bounding boxes are drawn needs to be reconsidered -->
  
  <div
    *ngIf="showVOIWireframeSlideToggle.valueChanges | async"
    voiBbox
    [features]="voiFeatureEntryCmp.features$ | async">

  </div>
</ng-template>

<div
  sxplr-sapiviews-core-space-boundingbox
  [sxplr-sapiviews-core-space-boundingbox-atlas]="selectedAtlas$ | async"
  [sxplr-sapiviews-core-space-boundingbox-space]="templateSelected$ | async"
  [sxplr-sapiviews-core-space-boundingbox-spec]="viewerCtx$ | async | nehubaVCtxToBbox"
  #bbox="sxplrSapiViewsCoreSpaceBoundingBox">
</div>