Merge branch 'master' of https://github.com/IgniteUI/igniteui-angular into rkaraivanov/multi-column-headers

Author: rkaraivanov

README.md

@@ -249,11 +249,11 @@ export class IgxForOfDirective<T> implements OnInit, OnChanges, DoCheck, OnDestr
         }
     }
 
-    public addScrollTop(addTop: number) {
+    public addScrollTop(addTop: number): boolean {
         if (addTop === 0 && this.igxForScrollOrientation === 'horizontal') {
-            return;
+            return false;
         }
-
+        const originalVirtScrollTop = this._virtScrollTop;
         const containerSize = parseInt(this.igxForContainerSize, 10);
         const maxVirtScrollTop = this._virtHeight - containerSize;
 
@@ -285,6 +285,7 @@ export class IgxForOfDirective<T> implements OnInit, OnChanges, DoCheck, OnDestr
             // Actual scroll position is not at the bottom, but virtual scroll is. Just update the acual scroll
             this.vh.instance.elementRef.nativeElement.scrollTop = maxRealScrollTop;
         }
+        return this._virtScrollTop !== originalVirtScrollTop;
     }
 
     public scrollTo(index) {

projects/igniteui-angular/src/lib/directives/for-of/for_of.directive.ts

@@ -0,0 +1,37 @@
+# IgxTextHighlightDirective
+
+#### Category
+_Directives_
+
+## Description
+
+Provides a way to highlight text elements.
+
+## Usage
+
+```html
+<div igxTextHighlight id="content" [cssClass]="highlightClass" [activeCssClass]="activeHighlightClass" [groupName]="groupName" [value]="html" [column]="0" [row]="0" [page]="0">
+            {{html}}
+</div>
+```
+
+## API
+
+### Inputs
+| Name | Type | Description |
+| :--- |:--- | :--- |
+| cssClass| string | Determines the CSS class of the highlight elements, allowing the developer to provide custom CSS to customize the highlight. |
+| activeCssClass | string | Determines the CSS class of the active highlight element, allowing the developer to provide custom CSS to customize the active highlight.
+| groupName | string | Identifies the highlight within a unique group, allowing to have several different highlight groups each having their own active highlight.
+| value | any | The underlying value of the element that will be highlighted |
+| row | number | The index of the row on which the directive is currently on |
+| column | number | The index of the column on which the directive is currently on |
+| page | number | The index of the page on which the directive is currently on (used when the component containing the directive supports paging) |
+
+### Methods
+| Name | Type | Arguments | Description |
+| :--- |:--- | :--- | :--- |
+| highlight | number | The text that should be highlighted and, optionally, if the search should be case sensitive or not (it defaults to false if it isn't specified). | Clears the existing highlight and highlight the searched text. Returns how many times the element contains the searched text. |
+| clearHighlight | void | N/A | Clears any existing highlight |
+| activateIfNecessary | void | N/A | Activates the highlight if it is on the currently active row, column and page |
+| setActiveHighlight (static)| void| The highlight group, the column, row and page of the directive and the index of the highlight | Activates the highlight at a given index (if such highlight exists) |

projects/igniteui-angular/src/lib/directives/text-highlight/README.md

@@ -0,0 +1,32 @@
+# IgxTextSelection
+
+#### Category
+
+_Directives_
+
+## Description
+
+Provides a way to trigger selection of text inside input elements.
+
+## Usage
+```html
+<input type="text" [IgxTextSelection]="true" />
+```
+
+## API
+
+### Inputs
+| Name | Type | Description |
+| :--- |:--- | :--- |
+| IgxTextSelection| boolean | Determines whether the input element should be selectable through the directive.
+
+### Accessors
+| Name | Type | Description |
+| :--- |:--- | :--- |
+| selected | boolean | Returns whether the element is selected or not.
+| nativeElement | ElementRef | Returns the nativeElement of the element where the directive was applied.
+
+### Methods
+| Name | Type | Description |
+| :--- |:--- | :--- |
+| trigger | void | Triggers the selection of the element.