Fossil

  style_emit_script_tag(1,0);
  
  /* Status bar */
  CX("<div id='fossil-status-bar' "
     "title='Status message area. Double-click to clear them.'>"
     "Status messages will go here.</div>\n"
     /* will be moved into the tab container via JS */);






  /* Main tab container... */
  CX("<div id='fileedit-tabs' class='tab-container'></div>");

  /* The .hidden class on the following tab elements is to help lessen
     the FOUC effect of the tabs before JS re-assembles them. */

  /***** File/version info tab *****/
  {
    CX("<div id='fileedit-tab-fileselect' "
       "data-tab-parent='fileedit-tabs' "
       "data-tab-label='File Info &amp; Selection' "
       "class='hidden'"
       ">");
    CX("<fieldset id='file-version-details'>"
       "<legend>File/Version</legend>"
       "<div>No file loaded.</div>"
       "</fieldset>");
    CX("<h1>Select a file to edit:</h1>");
    CX("<div id='fileedit-file-selector'></div>");
    CX("</div>"/*#fileedit-tab-fileselect*/);
  }
  
  /******* Content tab *******/
  {
................................................................................
  }
  CX("</div>"/*#fileedit-tab-help*/);

  {
    /* Dynamically populate the editor, display any error in the err
    ** blob, and/or switch to tab #0, where the file selector
    ** lives... */
    blob_appendf(&endScript,


                 "fossil.onPageLoad(");
    if(zRev && zFilename){
      assert(0==blob_size(&err));
      blob_appendf(&endScript,
                   "()=>fossil.page.loadFile(%!j,%!j)",
                   zFilename, cimi.zParentUuid);
    }else{
      blob_appendf(&endScript,"function(){\n");

  style_emit_script_tag(1,0);
  
  /* Status bar */
  CX("<div id='fossil-status-bar' "
     "title='Status message area. Double-click to clear them.'>"
     "Status messages will go here.</div>\n"
     /* will be moved into the tab container via JS */);

  CX("<div id='fileedit-edit-status'>"
     "<span class='name'>(no file loaded)</span>"
     "<span class='links'></span>"
     "</div>");

  /* Main tab container... */
  CX("<div id='fileedit-tabs' class='tab-container'></div>");

  /* The .hidden class on the following tab elements is to help lessen
     the FOUC effect of the tabs before JS re-assembles them. */

  /***** File/version info tab *****/
  {
    CX("<div id='fileedit-tab-fileselect' "
       "data-tab-parent='fileedit-tabs' "
       "data-tab-label='File Selection' "
       "class='hidden'"
       ">");




    CX("<h1>Select a file to edit:</h1>");
    CX("<div id='fileedit-file-selector'></div>");
    CX("</div>"/*#fileedit-tab-fileselect*/);
  }
  
  /******* Content tab *******/
  {
................................................................................
  }
  CX("</div>"/*#fileedit-tab-help*/);

  {
    /* Dynamically populate the editor, display any error in the err
    ** blob, and/or switch to tab #0, where the file selector
    ** lives... */
    blob_appendf(&endScript, "fossil.config['fileedit-glob'] = ");
    glob_render_as_json(fileedit_glob(), &endScript);
    blob_append(&endScript, ";\n", 2);
    blob_append(&endScript, "fossil.onPageLoad(", -1);
    if(zRev && zFilename){
      assert(0==blob_size(&err));
      blob_appendf(&endScript,
                   "()=>fossil.page.loadFile(%!j,%!j)",
                   zFilename, cimi.zParentUuid);
    }else{
      blob_appendf(&endScript,"function(){\n");

    new f.Holder(elem,opt);
    return this;
  };
  /**
     The default options for initConfirmer(). Tweak them to set the
     defaults. A couple of them (initialText and confirmText) are
     dynamically-generated, and can't reasonably be set in the
     defaults.

  */
  F.confirmer.defaultOpts = {
    timeout:3000,
    ticks: undefined,
    ticktime: 998/*not *quite* 1000*/,
    onconfirm: undefined,
    ontimeout: undefined,

    new f.Holder(elem,opt);
    return this;
  };
  /**
     The default options for initConfirmer(). Tweak them to set the
     defaults. A couple of them (initialText and confirmText) are
     dynamically-generated, and can't reasonably be set in the
     defaults. Some, like ticks, cannot be set here because that would
     end up indirectly replacing non-tick timeouts with ticks.
  */
  F.confirmer.defaultOpts = {
    timeout:3000,
    ticks: undefined,
    ticktime: 998/*not *quite* 1000*/,
    onconfirm: undefined,
    ontimeout: undefined,

        selCi,
        filesLabel,
        selFiles,
        /* Use a wrapper for btnLoad so that the button itself does not
          stretch to fill the parent width: */
        D.append(D.addClass(D.div(), 'flex-shrink'), btnLoad)
      );












      this.loadLeaves();
      selCi.addEventListener(
        'change', (e)=>this.loadFiles(e.target.value), false
      );
      btnLoad.addEventListener(
        'click', (e)=>{
          this.finfo.filename = selFiles.value;
          if(this.finfo.filename){
            P.loadFile(this.finfo.filename, this.finfo.checkin);
          }

        }, false
      );
      btnReload.addEventListener(
        'click', (e)=>this.loadLeaves(), false
      );
      delete this.init;
    }
  }/*P.fileSelectWidget*/;

................................................................................
      F.page.addEventListener('fileedit-file-loaded',(e)=>this.updateList($stash, e.detail));
      sel.addEventListener('change',function(e){
        const opt = this.selectedOptions[0];
        if(opt && opt._finfo) P.loadFile(opt._finfo);
      });
      F.confirmer(btnClear, {
        confirmText: "REALLY delete ALL local edits?",
        onconfirm: (e)=>P.clearStash().loadFile(/*in case P.finfo() was in the stash*/),
        ticks: 3
      });
      if(F.storage.isTransient()){/*Warn if our storage is particularly transient...*/
        D.append(wrapper, D.append(
          D.addClass(D.span(),'warning'),
          "Warning: persistent storage is not available, "+
            "so uncomitted edits will not survive a page reload."
        ));
................................................................................
      cbLineNumbersWrap: E('#cb-line-numbers'),
      cbAutoPreview: E('#cb-preview-autoupdate > input[type=checkbox]'),
      previewTarget: E('#fileedit-tab-preview-wrapper'),
      manifestTarget: E('#fileedit-manifest'),
      diffTarget: E('#fileedit-tab-diff-wrapper'),
      cbIsExe: E('input[type=checkbox][name=exec_bit]'),
      cbManifest: E('input[type=checkbox][name=include_manifest]'),
      fsFileVersionDetails: E('#file-version-details'),
      tabs:{
        content: E('#fileedit-tab-content'),
        preview: E('#fileedit-tab-preview'),
        diff: E('#fileedit-tab-diff'),
        commit: E('#fileedit-tab-commit'),
        fileSelect: E('#fileedit-tab-fileselect')
      }
................................................................................
    }else if(D.hasClass(P.e.taCommentBig,'hidden')){
      P.e.taComment = P.e.taCommentSmall;
    }else{
      P.e.taComment = P.e.taCommentSmall;
      D.addClass(P.e.taCommentBig, 'hidden');
    }
    D.removeClass(P.e.taComment, 'hidden');

    P.tabs.e.container.insertBefore(
      /* Move the status bar between the tab buttons and
         tab panels. Seems to be the best fit in terms of
         functionality and visibility. */
      E('#fossil-status-bar'), P.tabs.e.tabs
    );


    P.tabs.addEventListener(
      /* Set up auto-refresh of the preview tab... */
      'before-switch-to', function(ev){
        if(ev.detail===P.e.tabs.preview){
          P.baseHrefForFile();
          if(P.e.cbAutoPreview.checked) P.preview();
        }else if(ev.detail===P.e.tabs.diff){
          /* Work around a weird bug where the page gets wider than
             the window when the diff tab is NOT in view and the
             current SBS diff widget is wider than the window. When
             the diff IS in view then CSS overflow magically reduces
             the page size again. Weird. Maybe FF-specific. Note that
             this weirdness happens even though P.e.diffTarget's parent
................................................................................
    );
    P.e.btnCommit.addEventListener(
      "click",(e)=>P.commit(), false
    );
    F.confirmer(P.e.btnReload, {
      confirmText: "Really reload, losing edits?",
      onconfirm: (e)=>P.unstashContent().loadFile(),
      ticks: 3
    });
    E('#comment-toggle').addEventListener(
      "click",(e)=>P.toggleCommentMode(), false
    );

    P.e.taEditor.addEventListener(
      'change', ()=>P.stashContentChange(), false
................................................................................
        new Event('change',{target:selectFontSize})
      );
    }

    P.addEventListener(
      // Clear certain views when new content is loaded/set
      'fileedit-content-replaced',


      ()=>D.clearElement(P.e.diffTarget, P.e.previewTarget, P.e.manifestTarget)

    );
    P.addEventListener(
      // Clear certain views after a non-dry-run commit
      'fileedit-committed',
      (e)=>{
        if(!e.detail.dryRun){
          D.clearElement(P.e.diffTarget, P.e.previewTarget);
................................................................................
        }
      }
    );

    P.fileSelectWidget.init();
    P.stashWidget.init(
      P.e.tabs.content.lastElementChild
      //P.e.tabs.fileSelect.querySelector("h1")
    );
  }/*F.onPageLoad()*/);

  /**
     Getter (if called with no args) or setter (if passed an arg) for
     the current file content.

................................................................................

  /**
     updateVersion() updates the filename and version in various UI
     elements...

     Returns this object.
  */
  P.updateVersion = function(file,rev){




    if(1===arguments.length){/*assume object*/
      this.finfo = arguments[0];
      file = this.finfo.filename;
      rev = this.finfo.checkin;
    }else if(0===arguments.length){
      if(!affirmHasFile()) return this;
      file = this.finfo.filename;
      rev = this.finfo.checkin;

    }else{
      this.finfo = {filename:file,checkin:rev};
    }
    const eTgt = this.e.fsFileVersionDetails.querySelector('div'),





          rHuman = F.hashDigits(rev),
          rUrl = F.hashDigits(rev,true);
    D.clearElement(eTgt);
    D.append(
      eTgt, "File: ",
      D.append(D.code(),



               D.a(F.repoUrl('finfo',{name:file, m:rUrl}), file)),
      D.br()
    );

    D.append(
      eTgt, "Checkin: ",


      D.append(D.code(), D.a(F.repoUrl('info/'+rUrl), rHuman)),
      " [",D.a(F.repoUrl('timeline',{m:rUrl}), "timeline"),"]",
      D.br()
    );
    D.append(
      eTgt, "Mimetype: ",
      D.append(D.code(), this.finfo.mimetype||'???'),
      D.br()
    );
    D.append(
      eTgt,
      D.append(D.code(), "[",
               D.a(F.repoUrl('annotate',{filename:file, checkin:rUrl}),
                   'annotate'), "]"),
      D.append(D.code(), "[",
               D.a(F.repoUrl('blame',{filename:file, checkin:rUrl}),
                   'blame'), "]")
    );
    const purlArgs = F.encodeUrlArgs({
      filename: this.finfo.filename,
      checkin: rUrl
    },false,true);
    const purl = F.repoUrl('fileedit',purlArgs);
    D.append(
      eTgt,
      D.append(D.code(),
               "[",D.a(purl,"Editor permalink"),"]")
    );
    this.setPageTitle("Edit: "+this.finfo.filename);
    return this;
  };

  /**
     loadFile() loads (file,checkinVersion) and updates the relevant
     UI elements to reflect the loaded state. If passed no arguments
     then it re-uses the values from the currently-loaded file, reloading
................................................................................
        branch: headers['x-fileedit-checkin-branch'],
        isExe: ('x'===headers['x-fileedit-file-perm']),
        mimetype: headers['content-type'].split(';').shift()
      });
      self.tabs.switchToTab(self.e.tabs.content);
      self.e.cbIsExe.checked = self.finfo.isExe;
      self.fileContent(r);

      self.dispatchEvent('fileedit-file-loaded', self.finfo);
    };
    const semiFinfo = {filename: file, checkin: rev};
    const stashFinfo = this.getStashedFinfo(semiFinfo);
    if(stashFinfo){ // fake a response from the stash...
      this.finfo = stashFinfo;
      this.e.cbIsExe.checked = !!stashFinfo.isExe;
................................................................................
      responseHeaders: 'x-ajax-render-mode',
      onload: (r,header)=>{
        P.selectPreviewMode(P.previewModes[header]);
        if('wiki'===header) P.baseHrefForFile();
        else P.baseHrefRestore();
        callback(r);
        F.message('Updated preview.');

        P.dispatchEvent('fileedit-preview-updated',{
          previewMode: P.previewModes.current,
          mimetype: P.finfo.mimetype,
          element: P.e.previewTarget
        });
      },
      onerror: (e)=>{
................................................................................
      if(onlyFinfo && $stash.hasStashedContent(fi)){
        $stash.updateFile(fi);
      }else{
        $stash.updateFile(fi, P.fileContent());
      }
      F.message("Stashed change to",F.hashDigits(fi.checkin),fi.filename);
      $stash.prune();

    }
    return this;
  };

  /**
     Removes any stashed state for the current P.finfo (if set) from
     F.storage. Returns this.
  */
  P.unstashContent = function(){
    const finfo = arguments[0] || this.finfo;
    if(finfo){

      $stash.unstash(finfo);
      //console.debug("Unstashed",finfo);
      F.message("Unstashed",F.hashDigits(finfo.checkin),finfo.filename);
    }
    return this;
  };

        selCi,
        filesLabel,
        selFiles,
        /* Use a wrapper for btnLoad so that the button itself does not
          stretch to fill the parent width: */
        D.append(D.addClass(D.div(), 'flex-shrink'), btnLoad)
      );
      if(F.config['fileedit-glob']){
        D.append(
          this.e.container,
          D.append(
            D.div(),
            D.append(D.code(),"fileedit-glob"),
            " config setting = ",
            D.append(D.code(), JSON.stringify(F.config['fileedit-glob']))
          )
        );
      }

      this.loadLeaves();
      selCi.addEventListener(
        'change', (e)=>this.loadFiles(e.target.value), false
      );

      const doLoad = (e)=>{
        this.finfo.filename = selFiles.value;
        if(this.finfo.filename){
          P.loadFile(this.finfo.filename, this.finfo.checkin);
        }
      };
      btnLoad.addEventListener('click', doLoad, false);
      selFiles.addEventListener('dblclick', doLoad, false);
      btnReload.addEventListener(
        'click', (e)=>this.loadLeaves(), false
      );
      delete this.init;
    }
  }/*P.fileSelectWidget*/;

................................................................................
      F.page.addEventListener('fileedit-file-loaded',(e)=>this.updateList($stash, e.detail));
      sel.addEventListener('change',function(e){
        const opt = this.selectedOptions[0];
        if(opt && opt._finfo) P.loadFile(opt._finfo);
      });
      F.confirmer(btnClear, {
        confirmText: "REALLY delete ALL local edits?",
        onconfirm: (e)=>P.clearStash().loadFile(/*in case P.finfo was in the stash*/),
        ticks: F.config.confirmerButtonTicks
      });
      if(F.storage.isTransient()){/*Warn if our storage is particularly transient...*/
        D.append(wrapper, D.append(
          D.addClass(D.span(),'warning'),
          "Warning: persistent storage is not available, "+
            "so uncomitted edits will not survive a page reload."
        ));
................................................................................
      cbLineNumbersWrap: E('#cb-line-numbers'),
      cbAutoPreview: E('#cb-preview-autoupdate > input[type=checkbox]'),
      previewTarget: E('#fileedit-tab-preview-wrapper'),
      manifestTarget: E('#fileedit-manifest'),
      diffTarget: E('#fileedit-tab-diff-wrapper'),
      cbIsExe: E('input[type=checkbox][name=exec_bit]'),
      cbManifest: E('input[type=checkbox][name=include_manifest]'),
      editStatus: E('#fileedit-edit-status'),
      tabs:{
        content: E('#fileedit-tab-content'),
        preview: E('#fileedit-tab-preview'),
        diff: E('#fileedit-tab-diff'),
        commit: E('#fileedit-tab-commit'),
        fileSelect: E('#fileedit-tab-fileselect')
      }
................................................................................
    }else if(D.hasClass(P.e.taCommentBig,'hidden')){
      P.e.taComment = P.e.taCommentSmall;
    }else{
      P.e.taComment = P.e.taCommentSmall;
      D.addClass(P.e.taCommentBig, 'hidden');
    }
    D.removeClass(P.e.taComment, 'hidden');

    P.tabs.e.container.insertBefore(
      /* Move the status bar between the tab buttons and
         tab panels. Seems to be the best fit in terms of
         functionality and visibility. */
      E('#fossil-status-bar'), P.tabs.e.tabs
    );
    P.tabs.e.container.insertBefore(P.e.editStatus, P.tabs.e.tabs);

    P.tabs.addEventListener(
      /* Set up auto-refresh of the preview tab... */
      'before-switch-to', function(ev){
        if(ev.detail===P.e.tabs.preview){
          P.baseHrefForFile();
          if(P.previewNeedsUpdate && P.e.cbAutoPreview.checked) P.preview();
        }else if(ev.detail===P.e.tabs.diff){
          /* Work around a weird bug where the page gets wider than
             the window when the diff tab is NOT in view and the
             current SBS diff widget is wider than the window. When
             the diff IS in view then CSS overflow magically reduces
             the page size again. Weird. Maybe FF-specific. Note that
             this weirdness happens even though P.e.diffTarget's parent
................................................................................
    );
    P.e.btnCommit.addEventListener(
      "click",(e)=>P.commit(), false
    );
    F.confirmer(P.e.btnReload, {
      confirmText: "Really reload, losing edits?",
      onconfirm: (e)=>P.unstashContent().loadFile(),
      ticks: F.config.confirmerButtonTicks
    });
    E('#comment-toggle').addEventListener(
      "click",(e)=>P.toggleCommentMode(), false
    );

    P.e.taEditor.addEventListener(
      'change', ()=>P.stashContentChange(), false
................................................................................
        new Event('change',{target:selectFontSize})
      );
    }

    P.addEventListener(
      // Clear certain views when new content is loaded/set
      'fileedit-content-replaced',
      ()=>{
        P.previewNeedsUpdate = true;
        D.clearElement(P.e.diffTarget, P.e.previewTarget, P.e.manifestTarget);
      }
    );
    P.addEventListener(
      // Clear certain views after a non-dry-run commit
      'fileedit-committed',
      (e)=>{
        if(!e.detail.dryRun){
          D.clearElement(P.e.diffTarget, P.e.previewTarget);
................................................................................
        }
      }
    );

    P.fileSelectWidget.init();
    P.stashWidget.init(
      P.e.tabs.content.lastElementChild

    );
  }/*F.onPageLoad()*/);

  /**
     Getter (if called with no args) or setter (if passed an arg) for
     the current file content.

................................................................................

  /**
     updateVersion() updates the filename and version in various UI
     elements...

     Returns this object.
  */
  P.updateVersion = function f(file,rev){
    if(!f.eLinks){
      f.eName = P.e.editStatus.querySelector('span.name');
      f.eLinks = P.e.editStatus.querySelector('span.links');
    }
    if(1===arguments.length){/*assume object*/
      this.finfo = arguments[0];
      file = this.finfo.filename;
      rev = this.finfo.checkin;
    }else if(0===arguments.length){
      if(affirmHasFile()){
        file = this.finfo.filename;
        rev = this.finfo.checkin;
      }
    }else{
      this.finfo = {filename:file,checkin:rev};
    }
    const fi = this.finfo;
    D.clearElement(f.eName, f.eLinks);
    if(!fi){
      D.append(f.eName, '(no file loaded)');
      return this;
    }
    const rHuman = F.hashDigits(rev),
          rUrl = F.hashDigits(rev,true);





    //TODO? port over is-edited marker from /wikiedit
    //var marker = getEditMarker(wi, false);
    D.append(f.eName/*,marker*/,D.a(F.repoUrl('finfo',{name:file, m:rUrl}), file));



    D.append(

      f.eLinks,
      D.append(D.span(), "mimetype "+(fi.mimetype||'???')),
      D.a(F.repoUrl('info/'+rUrl), rHuman),
      D.a(F.repoUrl('timeline',{m:rUrl}), "timeline"),










      D.a(F.repoUrl('annotate',{filename:file, checkin:rUrl}),'annotate'),


      D.a(F.repoUrl('blame',{filename:file, checkin:rUrl}),'blame')

    );
    const purlArgs = F.encodeUrlArgs({
      filename: this.finfo.filename,
      checkin: rUrl
    },false,true);
    const purl = F.repoUrl('fileedit',purlArgs);
    D.append( f.eLinks, D.a(purl,"editor permalink") );




    this.setPageTitle("Edit: "+fi.filename);
    return this;
  };

  /**
     loadFile() loads (file,checkinVersion) and updates the relevant
     UI elements to reflect the loaded state. If passed no arguments
     then it re-uses the values from the currently-loaded file, reloading
................................................................................
        branch: headers['x-fileedit-checkin-branch'],
        isExe: ('x'===headers['x-fileedit-file-perm']),
        mimetype: headers['content-type'].split(';').shift()
      });
      self.tabs.switchToTab(self.e.tabs.content);
      self.e.cbIsExe.checked = self.finfo.isExe;
      self.fileContent(r);
      P.previewNeedsUpdate = true;
      self.dispatchEvent('fileedit-file-loaded', self.finfo);
    };
    const semiFinfo = {filename: file, checkin: rev};
    const stashFinfo = this.getStashedFinfo(semiFinfo);
    if(stashFinfo){ // fake a response from the stash...
      this.finfo = stashFinfo;
      this.e.cbIsExe.checked = !!stashFinfo.isExe;
................................................................................
      responseHeaders: 'x-ajax-render-mode',
      onload: (r,header)=>{
        P.selectPreviewMode(P.previewModes[header]);
        if('wiki'===header) P.baseHrefForFile();
        else P.baseHrefRestore();
        callback(r);
        F.message('Updated preview.');
        P.previewNeedsUpdate = false;
        P.dispatchEvent('fileedit-preview-updated',{
          previewMode: P.previewModes.current,
          mimetype: P.finfo.mimetype,
          element: P.e.previewTarget
        });
      },
      onerror: (e)=>{
................................................................................
      if(onlyFinfo && $stash.hasStashedContent(fi)){
        $stash.updateFile(fi);
      }else{
        $stash.updateFile(fi, P.fileContent());
      }
      F.message("Stashed change to",F.hashDigits(fi.checkin),fi.filename);
      $stash.prune();
      this.previewNeedsUpdate = true;
    }
    return this;
  };

  /**
     Removes any stashed state for the current P.finfo (if set) from
     F.storage. Returns this.
  */
  P.unstashContent = function(){
    const finfo = arguments[0] || this.finfo;
    if(finfo){
      this.previewNeedsUpdate = true;
      $stash.unstash(finfo);
      //console.debug("Unstashed",finfo);
      F.message("Unstashed",F.hashDigits(finfo.checkin),finfo.filename);
    }
    return this;
  };

     The internal docs and code frequently use the term "winfo", and such
     references refer to an object with that form.

     The fossil.page.wikiContent() method gets or sets the current
     file content for the page.

     - Event 'wiki-saved': is fired when a commit completes,
     passing on the same info as fileedit-file-loaded.

     - Event 'wiki-content-replaced': when the editor's content is
     replaced, as opposed to it being edited via user
     interaction. This normally happens via selecting a file to
     load. The event detail is the fossil.page object, not the current
     file content.

................................................................................
         }
       }
     );
  */
  const E = (s)=>document.querySelector(s),
        D = F.dom,
        P = F.page;

  P.config = {

    /* Symbolic markers to denote certain edit state. */
    editStateMarkers: {
      isNew: '[+]',
      isModified: '[*]'
    }
  };

  /**
     $stash is an internal-use-only object for managing "stashed"
     local edits, to help avoid that users accidentally lose content
     by switching tabs or following links or some such. The basic
     theory of operation is...
................................................................................
      // Force UI update
      s.dispatchEvent(new Event('change',{target:s}));
    }
  };

  /** Internal helper to get an edit status indicator for the given winfo object. */
  const getEditMarker = function f(winfo, textOnly){
    const esm = P.config.editStateMarkers;
    if(1===winfo){ /* force is-new */
        return textOnly ? esm.isNew :
        D.addClass(D.append(D.span(),esm.isNew), 'is-new');
    }else if(2===winfo){ /* force is-modified */
        return textOnly ? esm.isModified :
        D.addClass(D.append(D.span(),esm.isModified), 'is-modified');
    }else if(winfo && winfo.version){ /* is existing page modified? */
................................................................................
      
      D.append(parentElem, btn);
      btn.addEventListener('click', ()=>this.loadList(), false);
      this.loadList();
      const onSelect = (e)=>P.loadPage(e.target.value);
      sel.addEventListener('change', onSelect, false);
      sel.addEventListener('dblclick', onSelect, false);
      F.page.addEventListener('wiki-stash-updated', ()=>this._refreshStashMarks());



      delete this.init;
    }
  };








































































































  /**
     Keep track of how many in-flight AJAX requests there are so we
     can disable input elements while any are pending. For
     simplicity's sake we simply disable ALL OF IT while any AJAX is
     pending, rather than disabling operation-specific UI elements,
     which would be a huge maintenance hassle.
................................................................................
        preview: E('#wikiedit-tab-preview'),
        diff: E('#wikiedit-tab-diff'),
        misc: E('#wikiedit-tab-misc')
        //commit: E('#wikiedit-tab-commit')
      }
    };
    P.tabs = new fossil.TabManager(D.clearElement(P.e.tabContainer));
    P.tabs.e.container.insertBefore(P.e.editStatus, P.tabs.e.tabs);
    P.tabs.e.container.insertBefore(
      /* Move the status bar between the tab buttons and
         tab panels. Seems to be the best fit in terms of
         functionality and visibility. */
      E('#fossil-status-bar'), P.tabs.e.tabs
    );

    P.tabs.addEventListener(
      /* Set up some before-switch-to tab event tasks... */
      'before-switch-to', function(ev){
        const theTab = ev.detail, btnSlot = theTab.querySelector('.save-button-slot');
        if(btnSlot){
          /* Several places make sense for a save button, so we'll
             move that button around to those tabs where it makes sense. */
................................................................................
        }else{
          WikiList.removeEntry(w.name);
          delete P.winfo;
          P.updatePageTitle();
          F.message("Discarded new page ["+w.name+"].");
        }
      },
      ticks: 3
    });
    F.confirmer(P.e.btnSave, {
      confirmText: "Really save changes?",
      onconfirm: function(e){
        const w = P.winfo;
        if(!w){
          F.error("No page loaded.");
          return;
        }
        P.save();
      },
      ticks: 3
    });

    P.e.taEditor.addEventListener(
      'change', ()=>P.stashContentChange(), false
    );
    
    P.selectMimetype(false, true);
................................................................................
      // Clear certain views after a save
      'wiki-saved',
      (e)=>{
        D.clearElement(P.e.diffTarget, P.e.previewTarget);
        // TODO: replace preview with new content
      }
    );
    WikiList.init( P.e.tabs.pageList.firstElementChild );












    P.addEventListener(
      // Update various state on wiki page load
      'wiki-page-loaded',
      function(ev){
        delete P.winfo;
        const winfo = ev.detail;
        P.winfo = winfo;
        P.previewNeedsUpdate = true;
        P.e.selectMimetype.value = winfo.mimetype;
        P.tabs.switchToTab(P.e.tabs.content);
        P.wikiContent(winfo.content || '');
        WikiList.e.select.value = winfo.name;
................................................................................
        if(!winfo.version && winfo.type!=='sandbox'){
          F.message('You are editing a new, unsaved page:',winfo.name);
        }
        P.updatePageTitle();
      },
      false
    );
    P.addEventListener('wiki-stash-updated', ()=>P.updateSaveButton())
      .updatePageTitle().updateSaveButton();

  }/*F.onPageLoad()*/);

  /**
     Returns true if fossil.page.winfo is set, indicating that a page
     has been loaded, else it reports an error and returns false.

     If passed a truthy value any error message about not having
................................................................................
    const wi = this.winfo;
    D.clearElement(f.eName, f.eLinks);
    if(!wi){
      D.append(f.eName, '(no page loaded)');
      return;
    }
    var marker = getEditMarker(wi, false);
    D.append(f.eName,marker,wi.name,);
    if(wi.version){
      D.append(
        f.eLinks,
        D.a(F.repoUrl('whistory',{name:wi.name}),'[history]'),
        D.a(F.repoUrl('attachlist',{page:wi.name}),"[attachments]"),
        D.a(F.repoUrl('attachadd',{page:wi.name,from: F.repoUrl('wikiedit',{name: wi.name})}), "[attach]")
      );
    }
  };

  /**
     Update the page title and header based on the state of
     this.winfo. A no-op if this.winfo is not set. Returns this.
................................................................................
      if(!affirmPageLoaded()) return this;
      name = this.winfo.name;
    }else if(1===arguments.length && 'string' !== typeof name){
      /* Assume winfo-like object */
      const arg = arguments[0];
      name = arg.name;
    }

    const onload = (r)=>this.dispatchEvent('wiki-page-loaded', r);

    const stashWinfo = this.getStashedWinfo({name: name});
    if(stashWinfo){ // fake a response from the stash...
      F.message("Fetched from the local-edit storage:", stashWinfo.name);
      onload({
        name: stashWinfo.name,
        mimetype: stashWinfo.mimetype,
        type: stashWinfo.type,

     The internal docs and code frequently use the term "winfo", and such
     references refer to an object with that form.

     The fossil.page.wikiContent() method gets or sets the current
     file content for the page.

     - Event 'wiki-saved': is fired when a commit completes,
     passing on the same info as wiki-page-loaded.

     - Event 'wiki-content-replaced': when the editor's content is
     replaced, as opposed to it being edited via user
     interaction. This normally happens via selecting a file to
     load. The event detail is the fossil.page object, not the current
     file content.

................................................................................
         }
       }
     );
  */
  const E = (s)=>document.querySelector(s),
        D = F.dom,
        P = F.page;

  P.config = {
    /* Max number of locally-edited pages to stash, after which we
       drop the least-recently used. */
    defaultMaxStashSize: 10



  };

  /**
     $stash is an internal-use-only object for managing "stashed"
     local edits, to help avoid that users accidentally lose content
     by switching tabs or following links or some such. The basic
     theory of operation is...
................................................................................
      // Force UI update
      s.dispatchEvent(new Event('change',{target:s}));
    }
  };

  /** Internal helper to get an edit status indicator for the given winfo object. */
  const getEditMarker = function f(winfo, textOnly){
    const esm = F.config.editStateMarkers;
    if(1===winfo){ /* force is-new */
        return textOnly ? esm.isNew :
        D.addClass(D.append(D.span(),esm.isNew), 'is-new');
    }else if(2===winfo){ /* force is-modified */
        return textOnly ? esm.isModified :
        D.addClass(D.append(D.span(),esm.isModified), 'is-modified');
    }else if(winfo && winfo.version){ /* is existing page modified? */
................................................................................
      
      D.append(parentElem, btn);
      btn.addEventListener('click', ()=>this.loadList(), false);
      this.loadList();
      const onSelect = (e)=>P.loadPage(e.target.value);
      sel.addEventListener('change', onSelect, false);
      sel.addEventListener('dblclick', onSelect, false);
      F.page.addEventListener('wiki-stash-updated', ()=>{
        if(P.winfo) this._refreshStashMarks();
        else this._rebuildList();
      });
      delete this.init;
    }
  };

  /**
     Widget for listing and selecting $stash entries.
  */
  P.stashWidget = {
    e:{/*DOM element(s)*/},
    init: function(domInsertPoint/*insert widget BEFORE this element*/){
      const wrapper = D.addClass(
        D.attr(D.div(),'id','wikiedit-stash-selector'),
        'input-with-label'
      );
      const sel = this.e.select = D.select();
      const btnClear = this.e.btnClear
            = D.addClass(D.button("Clear"),'hidden');
      D.append(wrapper, "Local edits (",
               D.append(D.code(),
                        F.storage.storageImplName()),
               "):",
               sel, btnClear);
      D.attr(wrapper, "title", [
        'Locally-edited wiki pages. Timestamps are the last local edit time.',
        'Only the',P.config.defaultMaxStashSize,'most recent pages',
        'are retained. Saving or reloading a file removes it from this list.'
      ].join(' '));
      D.option(D.disable(sel), "(empty)");
      P.addEventListener('wiki-stash-updated',(e)=>this.updateList(e.detail));
      P.addEventListener('wiki-page-loaded',(e)=>this.updateList($stash, e.detail));
      sel.addEventListener('change',function(e){
        const opt = this.selectedOptions[0];
        if(opt && opt._winfo) P.loadPage(opt._winfo);
      });
      F.confirmer(btnClear, {
        confirmText: "REALLY delete ALL local edits?",
        onconfirm: (e)=>P.clearStash(),
        ticks: F.config.confirmerButtonTicks
      });
      if(F.storage.isTransient()){/*Warn if our storage is particularly transient...*/
        D.append(wrapper, D.append(
          D.addClass(D.span(),'warning'),
          "Warning: persistent storage is not available, "+
            "so uncomitted edits will not survive a page reload."
        ));
      }
      domInsertPoint.parentNode.insertBefore(wrapper, domInsertPoint);
      $stash._fireStashEvent(/*read the page-load-time stash*/);
      delete this.init;
    },
    /**
       Regenerates the edit selection list.
    */
    updateList: function f(stasher,theWinfo){
      console.debug("updateList()",arguments);
      if(!f.compare){
        const cmpBase = (l,r)=>l<r ? -1 : (l===r ? 0 : 1);
        f.compare = (l,r)=>cmpBase(l.name, r.name);
        f.rxZ = /\.\d+Z$/ /* ms and 'Z' part of date string */;
        const pad=(x)=>(''+x).length>1 ? x : '0'+x;
        f.timestring = function ff(d){
          return [
            d.getFullYear(),'-',pad(d.getMonth()+1/*sigh*/),'-',pad(d.getDate()),
            '@',pad(d.getHours()),':',pad(d.getMinutes())
          ].join('');
        };
      }
      const index = stasher.getIndex(), ilist = [];
      Object.keys(index).forEach((winfo)=>{
        ilist.push(index[winfo]);
      });
      const self = this;
      D.clearElement(this.e.select);
      if(0===ilist.length){
        D.addClass(this.e.btnClear, 'hidden');
        D.option(D.disable(this.e.select),"No local edits");
        return;
      }
      D.enable(this.e.select);
      if(false){
        /* The problem with this Clear button is that it allows the user
           to nuke a non-empty newly-added page without the failsafe confirmation
           we have if they use P.e.btnReload. Not yet sure how best to resolve that,
           so we'll leave the button hidden for the time being. */           
        D.removeClass(this.e.btnClear, 'hidden');
      }
      D.disable(D.option(this.e.select,0,"Select a local edit..."));
      const currentFinfo = theWinfo || P.winfo || {};
      ilist.sort(f.compare).forEach(function(winfo,n){
        const key = stasher.indexKey(winfo),
              rev = winfo.version || '';
        const opt = D.option(
          self.e.select, n+1/*value is (almost) irrelevant*/,
          [winfo.name,
           rev ? ' ['+F.hashDigits(rev, 6)+']' : ' [new/local]',
           ' @ ',
           f.timestring(new Date(winfo.stashTime))
          ].join('')
        );
        opt._winfo = winfo;
        if(0===f.compare(currentFinfo, winfo)){
          D.attr(opt, 'selected', true);
        }
      });
    }
  }/*P.stashWidget*/;

  /**
     Keep track of how many in-flight AJAX requests there are so we
     can disable input elements while any are pending. For
     simplicity's sake we simply disable ALL OF IT while any AJAX is
     pending, rather than disabling operation-specific UI elements,
     which would be a huge maintenance hassle.
................................................................................
        preview: E('#wikiedit-tab-preview'),
        diff: E('#wikiedit-tab-diff'),
        misc: E('#wikiedit-tab-misc')
        //commit: E('#wikiedit-tab-commit')
      }
    };
    P.tabs = new fossil.TabManager(D.clearElement(P.e.tabContainer));

    P.tabs.e.container.insertBefore(
      /* Move the status bar between the tab buttons and
         tab panels. Seems to be the best fit in terms of
         functionality and visibility. */
      E('#fossil-status-bar'), P.tabs.e.tabs
    );
    P.tabs.e.container.insertBefore(P.e.editStatus, P.tabs.e.tabs);
    P.tabs.addEventListener(
      /* Set up some before-switch-to tab event tasks... */
      'before-switch-to', function(ev){
        const theTab = ev.detail, btnSlot = theTab.querySelector('.save-button-slot');
        if(btnSlot){
          /* Several places make sense for a save button, so we'll
             move that button around to those tabs where it makes sense. */
................................................................................
        }else{
          WikiList.removeEntry(w.name);
          delete P.winfo;
          P.updatePageTitle();
          F.message("Discarded new page ["+w.name+"].");
        }
      },
      ticks: F.config.confirmerButtonTicks
    });
    F.confirmer(P.e.btnSave, {
      confirmText: "Really save changes?",
      onconfirm: function(e){
        const w = P.winfo;
        if(!w){
          F.error("No page loaded.");
          return;
        }
        P.save();
      },
      ticks: F.config.confirmerButtonTicks
    });

    P.e.taEditor.addEventListener(
      'change', ()=>P.stashContentChange(), false
    );
    
    P.selectMimetype(false, true);
................................................................................
      // Clear certain views after a save
      'wiki-saved',
      (e)=>{
        D.clearElement(P.e.diffTarget, P.e.previewTarget);
        // TODO: replace preview with new content
      }
    );
    P.addEventListener('wiki-stash-updated',function(){
      /* MUST come before WikiList.init() and P.stashWidget.init() so
         that interwoven event handlers get called in the right
         order. */
      if(P.winfo && !P.winfo.version && !$stash.getWinfo(P.winfo)){
        // New local page was removed.
        delete P.winfo;
        P.wikiContent('');
        P.updatePageTitle();
      }
      P.updateSaveButton();
    }).updatePageTitle().updateSaveButton();

    P.addEventListener(
      // Update various state on wiki page load
      'wiki-page-loaded',
      function(ev){

        const winfo = ev.detail;
        P.winfo = winfo;
        P.previewNeedsUpdate = true;
        P.e.selectMimetype.value = winfo.mimetype;
        P.tabs.switchToTab(P.e.tabs.content);
        P.wikiContent(winfo.content || '');
        WikiList.e.select.value = winfo.name;
................................................................................
        if(!winfo.version && winfo.type!=='sandbox'){
          F.message('You are editing a new, unsaved page:',winfo.name);
        }
        P.updatePageTitle();
      },
      false
    );
    /* These init()s need to come after P's event handlers are registered */
    WikiList.init( P.e.tabs.pageList.firstElementChild );
    P.stashWidget.init(P.e.tabs.content.lastElementChild);
  }/*F.onPageLoad()*/);

  /**
     Returns true if fossil.page.winfo is set, indicating that a page
     has been loaded, else it reports an error and returns false.

     If passed a truthy value any error message about not having
................................................................................
    const wi = this.winfo;
    D.clearElement(f.eName, f.eLinks);
    if(!wi){
      D.append(f.eName, '(no page loaded)');
      return;
    }
    var marker = getEditMarker(wi, false);
    D.append(f.eName,marker,wi.name);
    if(wi.version){
      D.append(
        f.eLinks,
        D.a(F.repoUrl('whistory',{name:wi.name}),'history'),
        D.a(F.repoUrl('attachlist',{page:wi.name}),"attachments"),
        D.a(F.repoUrl('attachadd',{page:wi.name,from: F.repoUrl('wikiedit',{name: wi.name})}), "attach")
      );
    }
  };

  /**
     Update the page title and header based on the state of
     this.winfo. A no-op if this.winfo is not set. Returns this.
................................................................................
      if(!affirmPageLoaded()) return this;
      name = this.winfo.name;
    }else if(1===arguments.length && 'string' !== typeof name){
      /* Assume winfo-like object */
      const arg = arguments[0];
      name = arg.name;
    }
    const onload = (r)=>{
      this.dispatchEvent('wiki-page-loaded', r);
    };
    const stashWinfo = this.getStashedWinfo({name: name});
    if(stashWinfo){ // fake a response from the stash...
      F.message("Fetched from the local-edit storage:", stashWinfo.name);
      onload({
        name: stashWinfo.name,
        mimetype: stashWinfo.mimetype,
        type: stashWinfo.type,

*/
void glob_free(Glob *pGlob){
  if( pGlob ){
    fossil_free(pGlob->azPattern);
    fossil_free(pGlob);
  }
}



















/*
** COMMAND: test-glob
**
** Usage:  %fossil test-glob PATTERN STRING...
**
** PATTERN is a comma- and whitespace-separated list of optionally

*/
void glob_free(Glob *pGlob){
  if( pGlob ){
    fossil_free(pGlob->azPattern);
    fossil_free(pGlob);
  }
}

/*
** Appends the given glob to the given buffer in the form of a
** JS/JSON-compatible array. It requires that pDest have been
** initialized. If pGlob is NULL or empty it emits [] (an empty
** array).
*/
void glob_render_as_json(Glob *pGlob, Blob *pDest){
  int i = 0;
  blob_append(pDest, "[", 1);
  for( ; pGlob && i < pGlob->nPattern; ++i ){
    if(i){
      blob_append(pDest, ",", 1);
    }
    blob_appendf(pDest, "%!j", pGlob->azPattern[i]);
  }
  blob_append(pDest, "]", 1);
}

/*
** COMMAND: test-glob
**
** Usage:  %fossil test-glob PATTERN STRING...
**
** PATTERN is a comma- and whitespace-separated list of optionally

       "if(!window.fossil) window.fossil={};\n"
       "window.fossil.version = %!j;\n"
    /* fossil.rootPath is the top-most CGI/server path,
    ** including a trailing slash. */
       "window.fossil.rootPath = %!j+'/';\n",
       get_version(), g.zTop);
    /* fossil.config = {...various config-level options...} */
    CX("window.fossil.config = {"

       "hashDigits: %d, hashDigitsUrl: %d"
       "};\n", hash_digits(0), hash_digits(1));






#if 0
    /* Is it safe to emit the CSRF token here? Some pages add it
    ** as a hidden form field. */
    if(g.zCsrfToken[0]!=0){
      CX("window.fossil.csrfToken = %!j;\n",
         g.zCsrfToken);
    }

       "if(!window.fossil) window.fossil={};\n"
       "window.fossil.version = %!j;\n"
    /* fossil.rootPath is the top-most CGI/server path,
    ** including a trailing slash. */
       "window.fossil.rootPath = %!j+'/';\n",
       get_version(), g.zTop);
    /* fossil.config = {...various config-level options...} */
    CX("window.fossil.config = {");
    CX("/* Length of UUID hashes for display purposes. */");
    CX("hashDigits: %d, hashDigitsUrl: %d,\n",
       hash_digits(0), hash_digits(1));
    CX("editStateMarkers: {"
       "/*Symbolic markers to denote certain edit states.*/"
       "isNew:'[+]', isModified:'[*]'},\n");
    CX("confirmerButtonTicks: 3 "
       "/*default fossil.confirmer tick count.*/\n");
    CX("};\n"/* fossil.config */);
#if 0
    /* Is it safe to emit the CSRF token here? Some pages add it
    ** as a hidden form field. */
    if(g.zCsrfToken[0]!=0){
      CX("window.fossil.csrfToken = %!j;\n",
         g.zCsrfToken);
    }

  margin: 0;
  min-height: 12em;
}
body.fileedit #fileedit-file-selector select {
  margin: 0 0 0.5em 0;
  height: initial;
  font-family: monospace;



}
body.fileedit select:focus {
  border: none;
}
body.fileedit option:focus {
  border: none;
}
................................................................................
  flex-direction: column;
  align-items: stretch;
  width: initial;
}
body.fileedit .sbsdiffcols div.difftxtcol pre {
  max-width: 44em;
}

  margin: 0;
  min-height: 12em;
}
body.fileedit #fileedit-file-selector select {
  margin: 0 0 0.5em 0;
  height: initial;
  font-family: monospace;
}
body.fileedit #fileedit-file-selector select option {
  margin: 0 0 0.5em 0.55em;
}
body.fileedit select:focus {
  border: none;
}
body.fileedit option:focus {
  border: none;
}
................................................................................
  flex-direction: column;
  align-items: stretch;
  width: initial;
}
body.fileedit .sbsdiffcols div.difftxtcol pre {
  max-width: 44em;
}

body.fileedit #fileedit-edit-status {
  border-radius: 0.25em 0.25em 0 0;
  margin: 0;
  padding: 0;
  width: 100%;
  cursor: initial;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
  font-family: monospace;
  font-size: 1.2em;
}
body.fileedit #fileedit-edit-status > span {
  display: block;
}
body.fileedit #fileedit-file-selector span.is-new,
body.fileedit #fileedit-file-selector span.is-modified {
  font-family: monospace;
}
body.fileedit #fileedit-edit-status span.links > * {
  margin: 0 0.25em;
  white-space: nowrap;
}
body.fileedit #fileedit-edit-status span.links > *::before {
  content: "[";
}
body.fileedit #fileedit-edit-status span.links > *::after {
  content: "]";
}

body.wikiedit #wikiedit-edit-status > span {
  display: block;
}
body.wikiedit .WikiList span.is-new,
body.wikiedit .WikiList span.is-modified {
  font-family: monospace;
}
body.wikiedit #wikiedit-edit-status > span.links > a {
  margin: 0 0.25em;

}

body.wikiedit #wikiedit-edit-status > span {
  display: block;
}
body.wikiedit .WikiList span.is-new,
body.wikiedit .WikiList span.is-modified {
  font-family: monospace;
}
body.wikiedit #wikiedit-edit-status span.links > a {
  margin: 0 0.25em;
  white-space: nowrap;
}
body.wikiedit #wikiedit-edit-status span.links > a::before {
  content: "[";
}
body.wikiedit #wikiedit-edit-status span.links > a::after {
  content: "]";
}
body.wikiedit #wikiedit-stash-selector {
  margin: 0.25em;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
}
body.wikiedit #wikiedit-stash-selector select {
  margin: 0 1em;
  height: initial;
  font-family: monospace;
  flex: 10 1 auto;
}