From e62648c71916696b992434a9b54af1f4aef4d013 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tobias=20Ho=CC=88=C3=9Fl?= <tobias@hoessl.eu>
Date: Fri, 15 Mar 2019 09:59:59 +0100
Subject: [PATCH] Bugfixes: Highlighting wo CRs, better scrolling

---
 .../src/app/core/ui-services/diff.service.ts  |  2 +-
 .../motion-detail/motion-detail.component.ts  | 30 +++++++++++++++++--
 .../motions/motion/motion-slide.component.ts  |  1 -
 3 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/client/src/app/core/ui-services/diff.service.ts b/client/src/app/core/ui-services/diff.service.ts
index ec77aa38c..e26ae2d7b 100644
--- a/client/src/app/core/ui-services/diff.service.ts
+++ b/client/src/app/core/ui-services/diff.service.ts
@@ -2208,7 +2208,7 @@ export class DiffService {
             }
         }, 0);
 
-        const numberedHtml = this.lineNumberingService.insertLineNumbers(motionHtml, lineLength);
+        const numberedHtml = this.lineNumberingService.insertLineNumbers(motionHtml, lineLength, highlight);
         if (changes.length === 0) {
             return numberedHtml;
         }
diff --git a/client/src/app/site/motions/modules/motion-detail/components/motion-detail/motion-detail.component.ts b/client/src/app/site/motions/modules/motion-detail/components/motion-detail/motion-detail.component.ts
index bbc20fa63..ea6301be7 100644
--- a/client/src/app/site/motions/modules/motion-detail/components/motion-detail/motion-detail.component.ts
+++ b/client/src/app/site/motions/modules/motion-detail/components/motion-detail/motion-detail.component.ts
@@ -172,7 +172,7 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit,
     /**
      * All change recommendations AND amendments, sorted by line number.
      */
-    public allChangingObjects: ViewUnifiedChange[];
+    public allChangingObjects: ViewUnifiedChange[] = [];
 
     /**
      * preload the next motion for direct navigation
@@ -451,7 +451,10 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit,
         this.configService
             .get<boolean>('motions_amendments_enabled')
             .subscribe(enabled => (this.amendmentsEnabled = enabled));
-        this.configService.get<number>('motions_line_length').subscribe(lineLength => (this.lineLength = lineLength));
+        this.configService.get<number>('motions_line_length').subscribe(lineLength => {
+            this.lineLength = lineLength;
+            this.recalcUnifiedChanges();
+        });
         this.configService
             .get<LineNumberingMode>('motions_default_line_numbering')
             .subscribe(mode => (this.lnMode = mode));
@@ -524,6 +527,11 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit,
      *          be avoided. It's safer and simpler to return values than to manipulate the scope
      */
     private recalcUnifiedChanges(): void {
+        if (!this.lineLength) {
+            // Happens if this function is called before the config variable has been loaded
+            return;
+        }
+
         this.allChangingObjects = [];
         if (this.changeRecommendations) {
             this.changeRecommendations.forEach(
@@ -936,7 +944,23 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit,
         // setTimeout necessary for DOM-operations to work
         window.setTimeout(() => {
             const element = <HTMLElement>this.el.nativeElement;
-            const target = element.querySelector('.os-line-number.line-number-' + line.toString(10));
+
+            // We only scroll if it's not in the screen already
+            const bounding = element
+                .querySelector('.os-line-number.line-number-' + line.toString(10))
+                .getBoundingClientRect();
+            if (bounding.top >= 0 && bounding.bottom <= (window.innerHeight || document.documentElement.clientHeight)) {
+                return;
+            }
+
+            let target: Element;
+            // to make the selected line not stick at the very top of the screen, and to prevent it from being
+            // conceiled from the header, we actually scroll to a element a little bit above.
+            if (line > 4) {
+                target = element.querySelector('.os-line-number.line-number-' + (line - 4).toString(10));
+            } else {
+                target = element.querySelector('.title-line');
+            }
             target.scrollIntoView({ behavior: 'smooth' });
         }, 1);
     }
diff --git a/client/src/app/slides/motions/motion/motion-slide.component.ts b/client/src/app/slides/motions/motion/motion-slide.component.ts
index 30a0c9658..79866365d 100644
--- a/client/src/app/slides/motions/motion/motion-slide.component.ts
+++ b/client/src/app/slides/motions/motion/motion-slide.component.ts
@@ -60,7 +60,6 @@ export class MotionSlideComponent extends BaseMotionSlideComponent<MotionSlideDa
         this.lineLength = value.data.line_length;
         this.preamble = value.data.preamble;
         this.crMode = value.element.mode || 'original';
-        console.log(this.crMode);
 
         this.recalcUnifiedChanges();
     }