85dae56a31
Previously we were stripping all whitespace. Instead, just strip leading+trailing whitespace, split the remaining search into individual terms which we search for independently. Items are grouped by the number of terms they match, then sorted alphabetically.
212 lines
8.9 KiB
JavaScript
212 lines
8.9 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const Clutter = imports.gi.Clutter;
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const Gio = imports.gi.Gio;
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const Gtk = imports.gi.Gtk;
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const Lang = imports.lang;
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const Shell = imports.gi.Shell;
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const Signals = imports.signals;
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const GenericDisplay = imports.ui.genericDisplay;
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const ITEM_DISPLAY_ICON_MARGIN = 2;
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/* This class represents a single display item containing information about a document.
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*
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* docInfo - GtkRecentInfo object containing information about the document
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* availableWidth - total width available for the item
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*/
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function DocDisplayItem(docInfo, availableWidth) {
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this._init(docInfo, availableWidth);
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}
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DocDisplayItem.prototype = {
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__proto__: GenericDisplay.GenericDisplayItem.prototype,
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_init : function(docInfo, availableWidth) {
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GenericDisplay.GenericDisplayItem.prototype._init.call(this, availableWidth);
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this._docInfo = docInfo;
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let name = docInfo.get_display_name();
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// we can possibly display tags in the space for description in the future
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let description = "";
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let icon = new Clutter.Texture();
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let pixbuf = Shell.get_thumbnail_for_recent_info(docInfo);
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if (pixbuf) {
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// We calculate the width and height of the texture so as to preserve the aspect ratio of the thumbnail.
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// Because the images generated based on thumbnails don't have an internal padding like system icons do,
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// we create a slightly smaller texture and then use extra margin when positioning it.
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let scalingFactor = (GenericDisplay.ITEM_DISPLAY_ICON_SIZE - ITEM_DISPLAY_ICON_MARGIN * 2) / Math.max(pixbuf.get_width(), pixbuf.get_height());
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icon.set_width(Math.ceil(pixbuf.get_width() * scalingFactor));
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icon.set_height(Math.ceil(pixbuf.get_height() * scalingFactor));
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Shell.clutter_texture_set_from_pixbuf(icon, pixbuf);
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icon.x = GenericDisplay.ITEM_DISPLAY_PADDING + ITEM_DISPLAY_ICON_MARGIN;
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icon.y = GenericDisplay.ITEM_DISPLAY_PADDING + ITEM_DISPLAY_ICON_MARGIN;
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} else {
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Shell.clutter_texture_set_from_pixbuf(icon, docInfo.get_icon(GenericDisplay.ITEM_DISPLAY_ICON_SIZE));
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icon.x = GenericDisplay.ITEM_DISPLAY_PADDING;
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icon.y = GenericDisplay.ITEM_DISPLAY_PADDING;
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}
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this._setItemInfo(name, description, icon);
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},
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//// Public methods ////
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// Returns the document info associated with this display item.
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getDocInfo : function() {
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return this._docInfo;
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},
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//// Public method overrides ////
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// Opens a document represented by this display item.
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launch : function() {
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let appName = this._docInfo.last_application();
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let [success, appExec, count, time] = this._docInfo.get_application_info(appName);
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if (success) {
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log("Will open a document with the following command: " + appExec);
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// TODO: Change this once better support for creating GAppInfo is added to
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// GtkRecentInfo, as right now this relies on the fact that the file uri is
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// already a part of appExec, so we don't supply any files to appInfo.launch().
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// The 'command line' passed to create_from_command_line is allowed to contain
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// '%<something>' macros that are exapnded to file name / icon name, etc,
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// so we need to escape % as %%
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appExec = appExec.replace(/%/g, "%%");
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let appInfo = Gio.app_info_create_from_commandline(appExec, null, 0, null);
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appInfo.launch([], null, null);
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} else {
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log("Failed to get application info for " + this._docInfo.get_uri());
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}
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}
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};
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/* This class represents a display containing a collection of document items.
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* The documents are sorted by how recently they were last visited.
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*
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* width - width available for the display
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* height - height available for the display
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*/
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function DocDisplay(width, height, numberOfColumns, columnGap) {
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this._init(width, height, numberOfColumns, columnGap);
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}
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DocDisplay.prototype = {
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__proto__: GenericDisplay.GenericDisplay.prototype,
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_init : function(width, height, numberOfColumns, columnGap) {
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GenericDisplay.GenericDisplay.prototype._init.call(this, width, height, numberOfColumns, columnGap);
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let me = this;
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this._recentManager = Gtk.RecentManager.get_default();
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this._docsStale = true;
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this._recentManager.connect('changed', function(recentManager, userData) {
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me._docsStale = true;
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// Changes in local recent files should not happen when we are in the overlay mode,
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// but redisplaying right away is cool when we use Zephyr.
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// Also, we might be displaying remote documents, like Google Docs, in the future
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// which might be edited by someone else.
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me._redisplay();
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});
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},
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//// Protected method overrides ////
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// Gets the list of recent items from the recent items manager.
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_refreshCache : function() {
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let me = this;
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if (!this._docsStale)
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return;
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this._allItems = {};
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let docs = this._recentManager.get_items();
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for (let i = 0; i < docs.length; i++) {
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let docInfo = docs[i];
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let docId = docInfo.get_uri();
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// we use GtkRecentInfo URI as an item Id
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this._allItems[docId] = docInfo;
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}
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this._docsStale = false;
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},
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// Sets the list of the displayed items based on how recently they were last visited.
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_setDefaultList : function() {
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this._removeAllDisplayItems();
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// It seems to be an implementation detail of the Mozilla JavaScript that object
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// properties are returned during the iteration in the same order in which they were
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// defined, but it is not a guarantee according to this
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// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Statements/for...in
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// While this._allItems associative array seems to always be ordered by last added,
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// as the results of this._recentManager.get_items() based on which it is constructed are,
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// we should do the sorting manually because we want the order to be based on last visited.
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//
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// This function is called each time the search string is set back to '' or we display
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// the overlay, so we are doing the sorting over the same items multiple times if the list
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// of recent items didn't change. We could store an additional array of doc ids and sort
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// them once when they are returned by this._recentManager.get_items() to avoid having to do
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// this sorting each time, but the sorting seems to be very fast anyway, so there is no need
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// to introduce an additional class variable.
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let docIds = [];
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for (docId in this._allItems) {
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docIds.push(docId);
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}
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docIds.sort(Lang.bind(this, function (a,b) { return this._compareItems(a,b); }));
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let added = 0;
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for (let i = 0; i < docIds.length && added < this._maxItems; i++) {
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let docInfo = this._allItems[docIds[i]];
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// docInfo.exists() checks if the resource still exists
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if (docInfo.exists()) {
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this._addDisplayItem(docIds[i]);
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added += 1;
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}
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}
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},
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// Compares items associated with the item ids based on how recently the items
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// were last visited.
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// Returns an integer value indicating the result of the comparison.
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_compareItems : function(itemIdA, itemIdB) {
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let docA = this._allItems[itemIdA];
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let docB = this._allItems[itemIdB];
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// We actually used get_modified() instead of get_visited() here, as GtkRecentInfo
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// doesn't updated get_visited() correctly.
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// See http://bugzilla.gnome.org/show_bug.cgi?id=567094
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if (docA.get_modified() > docB.get_modified())
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return -1;
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else if (docA.get_modified() < docB.get_modified())
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return 1;
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else
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return 0;
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},
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// Checks if the item info can be a match for the search string by checking
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// the name of the document. Item info is expected to be GtkRecentInfo.
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// Returns a boolean flag indicating if itemInfo is a match.
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_isInfoMatching : function(itemInfo, search) {
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if (!itemInfo.exists())
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return false;
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if (search == null || search == '')
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return true;
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let name = itemInfo.get_display_name().toLowerCase();
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if (name.indexOf(search) >= 0)
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return true;
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// TODO: we can also check doc URIs, so that
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// if you search for a directory name, we display recent files from it
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return false;
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},
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// Creates a DocDisplayItem based on itemInfo, which is expected be a GtkRecentInfo object.
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_createDisplayItem: function(itemInfo) {
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return new DocDisplayItem(itemInfo, this._columnWidth);
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}
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};
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Signals.addSignalMethods(DocDisplay.prototype);
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