Add code-block dialog and style it.

frontend/src/app/pages/publication-edition/code-block-dialog/code-block-dialog.component.html

@@ -0,0 +1,32 @@
+<button type="button" class="close" (click)="closeDialog()">
+    <mat-icon>close</mat-icon>
+</button>
+<header>
+    <h1>Add a code block</h1>
+</header>
+<form [formGroup]="formGroup" (submit)="closeAndValidate()" ngNativeValidate>
+    <div class="form-content">
+        <mat-form-field>
+            <mat-label>Programming language</mat-label>
+            <mat-select #programmingLanguageSelect formControlName="programmingLanguage">
+                @for(programmingLanguage of programmingLanguages; track programmingLanguage) {
+                    <mat-option [value]="programmingLanguage.code">
+                        {{programmingLanguage.label}}
+                    </mat-option>
+                }
+            </mat-select>
+        </mat-form-field>
+        <mat-form-field>
+            <mat-label>Code block</mat-label>
+            <textarea matInput formControlName="codeBlock"></textarea>
+        </mat-form-field>
+    </div>
+    <div class="actions">
+        <button type="submit">
+            Validate
+        </button>
+        <button type="button" (click)="closeDialog()" class="secondary">
+            Cancel
+        </button>
+    </div>
+</form>

frontend/src/app/pages/publication-edition/code-block-dialog/code-block-dialog.component.scss

@@ -0,0 +1,78 @@
+:host {
+    display: flex;
+    flex-direction: column;
+    padding: 1em;
+    gap: 1em;
+    position: relative;
+    max-height: 90vh;
+
+    .close {
+        position: absolute;
+        top: 1em;
+        right: 1em;
+        width: 2.5em;
+        height: 2.5em;
+        border-radius: 10em;
+        border: none;
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        cursor: pointer;
+    }
+
+    header {
+        flex: 1;
+        display: flex;
+        flex-direction: row;
+        justify-content: center;
+        align-items: center;
+    }
+
+    form {
+        div {
+            &.form-content {
+                mat-form-field {
+                    width: 100%;
+
+                    textarea {
+                        height: 30vh;
+                    }
+                }
+            }
+
+            &.actions {
+                display: flex;
+                flex-direction: row-reverse;
+                justify-content: space-between;
+                align-items: center;
+
+                button {
+                    padding: .8em 1.2em;
+                    border-radius: 10em;
+                    border: none;
+                    background-color: #3f51b5;
+                    color: white;
+                    transition: background-color .2s ease-in-out;
+                    cursor: pointer;
+                    display: flex;
+                    justify-content: center;
+                    align-items: center;
+                
+                    &:hover {
+                        background-color: #5b6ed8;
+                    }
+                
+                    &.secondary {
+                        color: #3f51b5;
+                        background-color: white;
+                
+                        &:hover {
+                            background-color: #f2f4ff;
+                            cursor: pointer;
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

frontend/src/app/pages/publication-edition/code-block-dialog/code-block-dialog.component.ts

@@ -0,0 +1,66 @@
+import { Component, inject } from "@angular/core";
+import { FormBuilder, FormControl, ReactiveFormsModule, Validators } from "@angular/forms";
+import { MatDialogRef } from "@angular/material/dialog";
+import { MatFormFieldModule } from "@angular/material/form-field";
+import { MatIcon } from "@angular/material/icon";
+import { MatInputModule } from "@angular/material/input";
+import { MatSelectModule } from '@angular/material/select';
+
+export interface ProgramingLanguage {
+    code: string;
+    label: string;
+}
+
+export const PROGRAMMING_LANGUAGES: ProgramingLanguage[] = [
+    {
+        code: 'bash',
+        label: 'Bash'
+    },
+    {
+        code: 'java',
+        label: 'Java'
+    },
+    {
+        code: 'markup',
+        label: 'html/xml'
+    },
+    {
+        code: 'python',
+        label: 'Python'
+    },
+    {
+        code: 'sql',
+        label: 'SQL'
+    }
+];
+
+@Component({
+    selector: 'app-code-block-dialog',
+    standalone: true,
+    templateUrl: './code-block-dialog.component.html',
+    styleUrl: './code-block-dialog.component.scss',
+    imports: [
+        MatFormFieldModule,
+        MatIcon,
+        MatInputModule,
+        MatSelectModule,
+        ReactiveFormsModule,
+    ]
+})
+export class CodeBlockDialog {
+    private readonly dialogRef = inject(MatDialogRef<CodeBlockDialog>);
+    private formBuilder = inject(FormBuilder);
+    programmingLanguages = PROGRAMMING_LANGUAGES;
+    formGroup = this.formBuilder.group({
+        programmingLanguage: new FormControl('', Validators.required),
+        codeBlock: new FormControl('', Validators.required)
+    });
+
+    closeAndValidate(): void {
+
+    }
+
+    closeDialog(): void {
+        this.dialogRef.close();
+    }
+}

frontend/src/app/pages/publication-edition/publication-edition.component.html

@@ -44,7 +44,7 @@
                             <button type="button" matTooltip="Click to insert a link" (click)="insertLink()">
                                 <mat-icon>link</mat-icon>
                             </button>
-                            <button type="button" disabled matTooltip="Click to insert a code block">
+                            <button type="button" matTooltip="Click to insert a code block" (click)="displayCodeBlockDialog()">
                                 <mat-icon>code</mat-icon>
                             </button>
                             <button type="button" disabled matTooltip="Click to display editor help">

frontend/src/app/pages/publication-edition/publication-edition.component.ts

@@ -112,6 +112,10 @@ export class PublicationEditionComponent implements OnInit, OnDestroy {
     this.publicationEditionService.insertLink();
   }
 
+  displayCodeBlockDialog(): void {
+    this.publicationEditionService.displayCodeBlockDialog();
+  }
+
   save(): void {
     this.publicationEditionService.save();
   }

frontend/src/app/pages/publication-edition/publication-edition.service.ts

@@ -8,6 +8,7 @@ import { PublicationRestService } from "../../core/rest-services/publications/pu
 import { copy } from '../../core/utils/ObjectUtils';
 import { MatDialog } from "@angular/material/dialog";
 import { PictureSelectionDialog } from "./picture-selection-dialog/picture-selection-dialog.component";
+import { CodeBlockDialog } from "./code-block-dialog/code-block-dialog.component";
 
 export class CursorPosition {
     start: number;
@@ -149,6 +150,18 @@ export class PublicationEditionService implements OnDestroy {
         this.subscriptions.push(afterDialogCloseSubscription);
     }
 
+    displayCodeBlockDialog(): void {
+        const dialogRef = this.dialog.open(CodeBlockDialog, { width: '60em' });
+
+        const afterDialogCloseSubscription = dialogRef.afterClosed()
+            .subscribe(codeBlockWithLanguage => {
+                if (codeBlockWithLanguage) {
+                    
+                }
+            });
+        this.subscriptions.push(afterDialogCloseSubscription);
+    }
+
     editCursorPosition(positionStart: number, positionEnd: number): void {
         const state = this._state;