[Devtools] JSONView implements Searchable interface

third_party/WebKit/Source/devtools/front_end/network/JSONView.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
  * @constructor
  * @extends {WebInspector.VBox}
+ * @implements {WebInspector.Searchable}
  * @param {!WebInspector.ParsedJSON} parsedJSON
  */
 WebInspector.JSONView = function(parsedJSON)
 {
     WebInspector.VBox.call(this);
     this._parsedJSON = parsedJSON;
     this.element.classList.add("json-view");
+
+    /** @type {?WebInspector.SearchableView} */
+    this._searchableView;
+    /** @type {!WebInspector.ObjectPropertiesSection} */
+    this._section;
+    /** @type {number} */
+    this._currentSearchFocusIndex = -1; // -1 if nothing currently focused

[lushnikov, 2016/04/22 19:43:00]

let's remove comment

[allada, 2016/04/25 23:48:49]

Done.

+    /** @type {!Array.<!TreeElement>} */
+    this._currentSearchTreeElements = [];
+    /** @type {?RegExp} */
+    this._searchRegExp = null;

[lushnikov, 2016/04/22 19:43:00]

this._searchRegex

[allada, 2016/04/25 23:48:49]

Done.

 }
 
 /**
  * @param {?string} text
  * @return {!Promise<?WebInspector.ParsedJSON>}
  */
 WebInspector.JSONView.parseJSON = function(text)
 {
     var returnObj = null;
     if (text)
@@ skipping 76 matching lines @@
     },
 
     _initialize: function()
     {
         if (this._initialized)
             return;
         this._initialized = true;
 
         var obj = WebInspector.RemoteObject.fromLocalObject(this._parsedJSON.data);
         var title = this._parsedJSON.prefix + obj.description + this._parsedJSON.suffix;
-        var section = new WebInspector.ObjectPropertiesSection(obj, title);
-        section.setEditable(false);
-        section.expand();
-        this.element.appendChild(section.element);
+        this._section = new WebInspector.ObjectPropertiesSection(obj, title);
+        this._section.setEditable(false);
+        this._section.expand();
+        this.element.appendChild(this._section.element);
+    },
+
+    /**
+     * @return {!WebInspector.SearchableView}
+     */
+    makeSearchable: function() {
+        var searchableView = new WebInspector.SearchableView(this);

[lushnikov, 2016/04/22 19:43:00]

createSearchableView: ...

I've seen this code recently. Lets extract it.

[allada, 2016/04/25 23:48:49]

Done.

+        searchableView.setPlaceholder(WebInspector.UIString("Find"));
+        this._searchableView = searchableView;
+        this.show(searchableView.element);
+        this.element.setAttribute("tabIndex", 0);
+        return searchableView;
+    },
+
+    /**
+     * @param {number} index
+     */
+    _jumpToMatch: function(index)
+    {
+        if (!this._searchRegExp)
+            return;
+        var previousIndex = this._currentSearchFocusIndex;
+        var newFocusElement = this._currentSearchTreeElements[index];
+        var previousFocusElement = this._currentSearchTreeElements[previousIndex];
+
+        if (!newFocusElement)
+            index = -1;
+
+        if (previousFocusElement)
+            previousFocusElement.applyHighlight(this._searchRegExp);
+
+        if (newFocusElement) {
+            newFocusElement.applyHighlight(this._searchRegExp, WebInspector.highlightedCurrentSearchResultClassName);
+            newFocusElement.reveal();
+        }
+        this._updateSearchIndex(index);
+    },
+
+    /**
+     * @param {number} count
+     */
+    _updateSearchCount: function(count)
+    {
+        if (!this._searchableView)
+            return;
+        this._searchableView.updateSearchMatchesCount(count);
+    },
+
+    /**
+     * @param {number} index
+     */
+    _updateSearchIndex: function(index)
+    {
+        this._currentSearchFocusIndex = index;
+        if (!this._searchableView)
+            return;
+        this._searchableView.updateCurrentMatchIndex(index);
+    },
+
+    /**
+     * @override
+     */
+    searchCanceled: function()
+    {
+        var newIndex = -1;
+        this._searchRegExp = null;
+        this._currentSearchTreeElements = [];
+        var currentElement = this._section.rootElement();
+
+        while (currentElement) {
+            if (currentElement instanceof WebInspector.ObjectPropertyTreeElement)
+                currentElement.revertHighlightChanges();
+            currentElement = currentElement.traverseNextTreeElement(false);
+        }
+        this._updateSearchCount(0);
+        this._updateSearchIndex(newIndex);
+    },
+
+    /**
+     * @override
+     * @param {!WebInspector.SearchableView.SearchConfig} searchConfig
+     * @param {boolean} shouldJump
+     * @param {boolean=} jumpBackwards
+     */
+    performSearch: function(searchConfig, shouldJump, jumpBackwards)
+    {
+        var query = searchConfig.query;
+        var newIndex = this._currentSearchFocusIndex;
+        var previousFocusElement = this._currentSearchTreeElements[newIndex];
+        this.searchCanceled();
+        this._searchRegExp = searchConfig.toSearchRegex(true);
+
+        var currentElement = this._section.rootElement();
+
+        var focusNextSearchResult = newIndex === -1 ? true : false;
+
+        while (currentElement) {
+            if (currentElement instanceof WebInspector.ObjectPropertyTreeElement) {
+                var hasMatch = currentElement.applyHighlight(this._searchRegExp);
+                if (hasMatch)
+                    this._currentSearchTreeElements.push(currentElement);
+                if (previousFocusElement === currentElement)
+                    focusNextSearchResult = true;
+                if (focusNextSearchResult && hasMatch) {
+                    focusNextSearchResult = false;
+                    if (jumpBackwards)
+                        newIndex = this._currentSearchTreeElements.length - 1;
+                    else
+                        // -2 because it will +1 inside jumpToNextSearchResult() below
+                        newIndex = this._currentSearchTreeElements.length - 2;
+                }
+            }
+            currentElement = currentElement.traverseNextTreeElement(false);
+        }
+        this._currentSearchFocusIndex = newIndex;
+        this._updateSearchCount(this._currentSearchTreeElements.length);
+        if (jumpBackwards)
+            this.jumpToPreviousSearchResult();
+        else
+            this.jumpToNextSearchResult();
+    },
+
+    /**
+     * @override
+     */
+    jumpToNextSearchResult: function()
+    {
+        if (!this._currentSearchTreeElements.length)
+            return;
+
+        var currentIndex = this._currentSearchFocusIndex;
+        if (currentIndex + 1 >= this._currentSearchTreeElements.length)
+            currentIndex = -1;
+        this._jumpToMatch(currentIndex + 1);
+    },
+
+    /**
+     * @override
+     */
+    jumpToPreviousSearchResult: function()
+    {
+        if (!this._currentSearchTreeElements.length)
+            return;
+        var currentIndex = this._currentSearchFocusIndex;
+        if (currentIndex <= 0)
+            currentIndex = this._currentSearchTreeElements.length;
+
+        this._jumpToMatch(currentIndex - 1);
+    },
+
+    /**
+     * @override
+     * @return {boolean}
+     */
+    supportsCaseSensitiveSearch: function()
+    {
+        return true;
+    },
+
+    /**
+     * @override
+     * @return {boolean}
+     */
+    supportsRegexSearch: function()
+    {
+        return true;
     },
 
     __proto__: WebInspector.VBox.prototype
 }
 
 /**
  * @constructor
  * @param {*} data
  * @param {string} prefix
  * @param {string} suffix
  */
 WebInspector.ParsedJSON = function(data, prefix, suffix)
 {
     this.data = data;
     this.prefix = prefix;
     this.suffix = suffix;
 }