Add maximized mode to markdown-textarea + CSS improvements (#2660)

* Add arrows-angle-contract/expand bootstrap icons

* Add grey textarea-background-color

* Add maximized support to markdown-textarea + improve column display

* Refactor CSS + add ResizeObservable

* Replace bootstrap icons with softies

* Add ResizeObserver typing definition

* Add focus on textarea + Fix Observables

* Propage component changes on markdown plugins

* Ignore ResizeObserver not implemented in typescript yet

* Move observers from constructor to click event

* Add scss and css variables

* Replace textareaWidth with textareaMaxWidth to fix others textareas

* Clean unused css rules

* Fix ResizeObserver unknown by TypeScript compiler

* Set max-width: 100% for small and mobile views

* Fix textarea/preview height on maximized mode

* Add common padding textarea/preview side-by-side

* Hide scrollbar sub-menu on small-views

* Add maximized mode for mobile views

* Fix sass calculate syntax

* Revert custom CSS variable for inputBorderRadius and inputBorderColor

* Remove unsued methods

* Fix missing implement method

Co-authored-by: kimsible <kimsible@users.noreply.github.com>

2 files changed, 6 insertions, 18 deletions

diff --git a/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.html b/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.html
index b925d3d02..5703d5a2e 100644
--- a/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.html
+++ b/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.html
@@ -37,7 +37,7 @@
               <div class="form-group">
                 <label i18n for="instanceDescription">Description</label><my-help helpType="markdownText"></my-help>
                 <my-markdown-textarea
-                  name="instanceDescription" formControlName="description" textareaWidth="500px" [previewColumn]="true"
+                  name="instanceDescription" formControlName="description" textareaMaxWidth="500px"
                   [classes]="{ 'input-error': formErrors['instance.description'] }"
                 ></my-markdown-textarea>
                 <div *ngIf="formErrors.instance.description" class="form-error">{{ formErrors.instance.description }}</div>
@@ -120,7 +120,7 @@
               <div class="form-group">
                 <label i18n for="instanceTerms">Terms</label><my-help helpType="markdownText"></my-help>
                 <my-markdown-textarea
-                  name="instanceTerms" formControlName="terms" textareaWidth="500px" [previewColumn]="true"
+                  name="instanceTerms" formControlName="terms" textareaMaxWidth="500px"
                   [ngClass]="{ 'input-error': formErrors['instance.terms'] }"
                 ></my-markdown-textarea>
                 <div *ngIf="formErrors.instance.terms" class="form-error">{{ formErrors.instance.terms }}</div>
@@ -129,7 +129,7 @@
               <div class="form-group">
                 <label i18n for="instanceCodeOfConduct">Code of conduct</label><my-help helpType="markdownText"></my-help>
                 <my-markdown-textarea
-                  name="instanceCodeOfConduct" formControlName="codeOfConduct" textareaWidth="500px" [previewColumn]="true"
+                  name="instanceCodeOfConduct" formControlName="codeOfConduct" textareaMaxWidth="500px"
                   [ngClass]="{ 'input-error': formErrors['instance.codeOfConduct'] }"
                 ></my-markdown-textarea>
                 <div *ngIf="formErrors.instance.codeOfConduct" class="form-error">{{ formErrors.instance.codeOfConduct }}</div>
@@ -140,7 +140,7 @@
                 <div i18n class="label-small-info">Who moderates the instance? What is the policy regarding NSFW videos? Political videos? etc</div>
 
                 <my-markdown-textarea
-                  name="instanceModerationInformation" formControlName="moderationInformation" textareaWidth="500px" [previewColumn]="true"
+                  name="instanceModerationInformation" formControlName="moderationInformation" textareaMaxWidth="500px"
                   [ngClass]="{ 'input-error': formErrors['instance.moderationInformation'] }"
                 ></my-markdown-textarea>
                 <div *ngIf="formErrors.instance.moderationInformation" class="form-error">{{ formErrors.instance.moderationInformation }}</div>
@@ -161,7 +161,7 @@
                 <div i18n class="label-small-info">A single person? A non-profit? A company?</div>
 
                 <my-markdown-textarea
-                  name="instanceAdministrator" formControlName="administrator" textareaWidth="500px" textareaHeight="75px" [previewColumn]="true"
+                  name="instanceAdministrator" formControlName="administrator" textareaMaxWidth="500px" textareaHeight="75px"
                   [classes]="{ 'input-error': formErrors['instance.administrator'] }"
                 ></my-markdown-textarea>
 
@@ -216,7 +216,7 @@
                 <div i18n class="label-small-info">i.e. 2vCore 2GB RAM, a direct the link to the server you rent, etc.</div>
 
                 <my-markdown-textarea
-                  name="instanceHardwareInformation" formControlName="hardwareInformation" textareaWidth="500px" textareaHeight="75px" [previewColumn]="true"
+                  name="instanceHardwareInformation" formControlName="hardwareInformation" textareaMaxWidth="500px" textareaHeight="75px"
                   [classes]="{ 'input-error': formErrors['instance.hardwareInformation'] }"
                 ></my-markdown-textarea>
 
diff --git a/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.scss b/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.scss
index d8bc30d55..9ee960ad6 100644
--- a/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.scss
+++ b/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.scss
@@ -68,18 +68,6 @@ textarea {
   pointer-events: none;
 }
 
-my-markdown-textarea ::ng-deep {
-  .root {
-    @media screen and (max-width: 1400px) {
-      flex-direction: column !important;
-    }
-
-    textarea {
-      max-width: 100%;
-    }
-  }
-}
-
 .form-group-right {
   padding-top: 2px;
 }