Implement SearchBox highlight active result (WIP)

src/JSONEditor.scss

@@ -15,6 +15,7 @@
     color: $white;
     display: flex;
     align-items: center;
+    position: relative;
 
     .button {
       width: 32px;
@@ -47,34 +48,18 @@
       margin: 5px;
     }
 
-    .search-box {
-      display: flex;
-      align-items: center;
-
-      .search-icon {
-        margin-right: $menu-padding;
-      }
-
-      .search-input {
-        border: none;
-        font-family: $font-family-menu;
-        font-size: $font-size;
-        padding: $input-padding;
-        margin-right: 2px;
-      }
+    .search-box-container {
+      position: absolute;
+      top: 100%;
+      right: $search-box-offset + 20px; // keep space for scrollbar
+      margin-top: $search-box-offset;
+      z-index: 1;
     }
   }
   
   .contents {
     flex: 1;
     overflow: auto;
-    position: relative;
-
-    .search {
-      position: absolute;
-      top: $search-box-offset;
-      right: $search-box-offset;
-    }
 
     .bottom {
       height: $input-padding;

src/JSONEditor.svelte

@@ -4,9 +4,11 @@
   import { faSearch, faUndo, faRedo } from '@fortawesome/free-solid-svg-icons'
   import { createHistory } from './history.js'
   import Node from './JSONNode.svelte'
+  import { existsIn, setIn } from './utils/immutabilityHelpers.js'
   import { keyComboFromEvent } from './utils/keyBindings.js'
-  import { search } from './utils/search.js'
+  import { flattenSearch, search } from './utils/search.js'
   import { immutableJSONPatch } from './utils/immutableJSONPatch'
+  import { isEqual } from 'lodash'
 
   export let json = {}
   export let onChangeJson = () => {
@@ -62,7 +64,35 @@
     return result
   }
 
+  // TODO: refactor the search solution, it's too complex. Also, move it in a separate component
+  let searchResult
+  let activeSearchResult = undefined
+  let activeSearchResultIndex
+  let flatSearchResult
+  let searchResultWithActive
   $: searchResult = searchText ? doSearch(json, searchText) : undefined
+  $: flatSearchResult = flattenSearch(searchResult)
+
+  $: {
+    if (!activeSearchResult || !existsIn(searchResult, activeSearchResult.path.concat(activeSearchResult.what))) {
+      activeSearchResult = flatSearchResult[0]
+    }
+  }
+
+  $: activeSearchResultIndex = flatSearchResult.findIndex(item => isEqual(item, activeSearchResult))
+  $: searchResultWithActive = searchResult
+      ? activeSearchResult
+        ? setIn(searchResult, activeSearchResult.path.concat(activeSearchResult.what), 'search active')
+        : searchResult
+      : undefined
+
+  function nextSearchResult () {
+    activeSearchResult = flatSearchResult[activeSearchResultIndex + 1] || activeSearchResult
+  }
+
+  function previousSearchResult () {
+    activeSearchResult = flatSearchResult[activeSearchResultIndex - 1] || activeSearchResult
+  }
 
   function handleChangeKey(key, oldKey) {
     // console.log('handleChangeKey', { key, oldKey })
@@ -178,26 +208,33 @@
       <Icon data={faRedo} />
     </button>
     <div class="space"></div>
+    {#if showSearch}
+      <div class="search-box-container">
+        <SearchBox
+          text={searchText}
+          resultCount={flatSearchResult.length}
+          activeIndex={activeSearchResultIndex}
+          onChange={(text) => searchText = text}
+          onNext={nextSearchResult}
+          onPrevious={previousSearchResult}
+          onClose={() => {
+            showSearch = false
+            searchText = ''
+          }}
+        />
+      </div>
+    {/if}
   </div>
   <div class="contents">
     <Node
       value={json}
-      searchResult={searchResult}
+      searchResult={searchResultWithActive}
       expanded={true}
       onChangeKey={handleChangeKey}
       onPatch={handlePatch}
       getParentPath={getPath}
     />
     <div class='bottom'></div>
-    {#if showSearch}
-      <div class="search">
-        <SearchBox
-          text={searchText}
-          onChange={text => searchText = text}
-          onClose={() => showSearch = false}
-        />
-      </div>
-    {/if}
   </div>
 </div>
 

src/JSONNode.scss

@@ -147,4 +147,8 @@ div.empty {
 .key.search,
 .value.search {
   background-color: $highlight-color;
+
+  &.active {
+    background-color: $highlight-active-color;
+  }
 }

src/JSONNode.svelte

@@ -80,21 +80,15 @@
   function getValueClass (value, searchResult) {
     const type = valueType (value)
 
-    return classnames('value', type, {
+    return classnames('value', type, searchResult && searchResult[SEARCH_VALUE], {
       url: isUrl(value),
       empty: typeof value === 'string' && value.length === 0,
-      search: searchResult
-        ? !!searchResult[SEARCH_VALUE]
-        : false
     })
   }
 
   function getKeyClass(key, searchResult) {
-    return classnames('key', {
-      empty: key === '',
-      search: searchResult
-        ? !!searchResult[SEARCH_PROPERTY]
-        : false
+    return classnames('key', searchResult && searchResult[SEARCH_PROPERTY], {
+      empty: key === ''
     })
   }
 

src/SearchBox.scss

@@ -6,13 +6,14 @@ $search-size: 24px;
   border: 2px solid $theme-color;
   border-radius: $border-radius;
   background: $white;
+  box-shadow: 0 2px 6px 0 rgba(0, 0, 0, 0.24);
 
   .search-form {
     display: flex;
     align-items: center;
     padding: 0 5px;
 
-    .search-icon {
+    button {
       color: $light-gray;
       display: block;
       width: $search-size;
@@ -24,13 +25,18 @@ $search-size: 24px;
       margin: 0;
     }
 
-    button.search-icon {
+    button {
       width: 20px;
       cursor: pointer;
 
       &:hover,
       &:active {
         color: $gray;
+
+        &.search-icon {
+          color: $light-gray;
+          cursor: inherit;
+        }
       }
     }
 

src/SearchBox.svelte

@@ -7,44 +7,47 @@
   const DEBOUNCE_DELAY = 300 // milliseconds TODO: make the debounce delay configurable?
 
   export let text = ''
+  let inputText = ''
+  export let resultCount = 0
+  export let activeIndex = 0
   export let onChange = () => {}
+  export let onPrevious = () => {}
+  export let onNext = () => {}
   export let onClose = () => {}
 
-  let activeResultIndex = 0
-  let resultCount = 0
-
   $: onChangeDebounced = debounce(onChange, DEBOUNCE_DELAY)
 
   function handleSubmit (event) {
     event.preventDefault()
 
+    const pendingChanges = text !== inputText
+    if (pendingChanges) {
       onChangeDebounced.cancel()
-    onChange(text)
+      onChange(inputText)
+    } else {
+      onNext()
+    }
   }
 
   function handleInput (event) {
-    text = event.target.value
+    inputText = event.target.value
 
-    onChangeDebounced(text)
+    onChangeDebounced(inputText)
     // TODO: fire debounced onChange
   }
 
-  function handleClose () {
-    onChange('')
-    onClose()
-  }
-
   function handleKeyDown (event) {
     const combo = keyComboFromEvent(event)
+
     if (combo === 'Ctrl+Enter' || combo === 'Command+Enter') {
       event.preventDefault()
-      // this.props.onFocusActive() // FIXME
+      // TODO: move focus to the active element
     }
 
     if (combo === 'Escape') {
       event.preventDefault()
 
-      handleClose()
+      onClose()
     }
   }
 
@@ -68,15 +71,15 @@
       />
     </label>
     <div class="search-count" class:visible={text !== ''}>
-      {activeResultIndex}/{resultCount}
+      {activeIndex + 1}/{resultCount}
     </div>
-    <button class="search-icon search-next">
+    <button class="search-next" on:click={onNext} type="button">
       <Icon data={faChevronDown} />
     </button>
-    <button class="search-icon search-previous">
+    <button class="search-previous" on:click={onPrevious} type="button">
       <Icon data={faChevronUp} />
     </button>
-    <button class="search-icon search-clear" on:click={handleClose}>
+    <button class="search-clear" on:click={onClose} type="button">
       <Icon data={faTimes} />
     </button>
   </form>

src/utils/search.js

@@ -7,7 +7,7 @@ export function search (key, value, searchText) {
   let results = undefined
 
   if (typeof key === 'string' && containsCaseInsensitive(key, searchText)) {
-    results = createOrAdd(results, SEARCH_PROPERTY, true)
+    results = createOrAdd(results, SEARCH_PROPERTY, 'search')
   }
 
   const type = valueType(value)
@@ -27,13 +27,49 @@ export function search (key, value, searchText) {
     })
   } else { // type is a value
     if (containsCaseInsensitive(value, searchText)) {
-      results = createOrAdd(results, SEARCH_VALUE, true)
+      results = createOrAdd(results, SEARCH_VALUE, 'search')
     }
   }
 
   return results
 }
 
+export function flattenSearch (searchResult) {
+  const resultArray = []
+
+  function _flattenSearch (value, path) {
+    if (value) {
+      if (value[SEARCH_PROPERTY]) {
+        resultArray.push({
+          what: SEARCH_PROPERTY,
+          path
+        })
+      }
+      if (value[SEARCH_VALUE]) {
+        resultArray.push({
+          what: SEARCH_VALUE,
+          path
+        })
+      }
+    }
+
+    const type = valueType(value)
+    if (type === 'array') {
+      searchResult.forEach((item, index) => {
+        _flattenSearch(item, path.concat(index))
+      })
+    } else if (type === 'object') {
+      Object.keys(value).forEach(prop => {
+        _flattenSearch(value[prop], path.concat(prop))
+      })
+    }
+  }
+
+  _flattenSearch(searchResult, [])
+
+  return resultArray
+}
+
 function createOrAdd(object, key, value) {
   if (object) {
     object[key] = value