feat(timeline): improved ux of time block dragging / creating on timeline

app/src/plugins/tm@modal/task/_components/employees/a-employee-timeblock-timeline-header.vue

@@ -42,6 +42,8 @@ const getHourPosition = (hour: number): number => {
   position: relative
   height: 30px
   width: calc(24 * 60px)
+  user-select: none
+  cursor: inherit
 
   @media (max-width: 768px)
     width: calc(24 * 50px)
@@ -51,6 +53,7 @@ const getHourPosition = (hour: number): number => {
   top: 0
   height: 30px
   border-left: 1px solid #e0e0e0
+  cursor: inherit
 
   .hour-label
     position: absolute
@@ -59,5 +62,6 @@ const getHourPosition = (hour: number): number => {
     font-size: 11px
     color: #666
     white-space: nowrap
+    cursor: inherit
 </style>
 

app/src/plugins/tm@modal/task/_components/employees/a-employee-timeblock-timeline.vue

@@ -4,7 +4,13 @@
       <span>Načítavam...</span>
     </div>
     <div v-else ref="timelineContainer" class="timeline__content">
-      <div ref="timelineScroll" class="timeline-scroll">
+      <div
+        ref="timelineScroll"
+        class="timeline-scroll"
+        @mousemove="handleMouseMove"
+        @mouseleave="handleMouseLeave"
+        @mousedown="handleTimelineMouseDown"
+      >
         <a-employee-timeblock-timeline-header
           :start-hour="startHour"
           :end-hour="endHour"
@@ -14,9 +20,6 @@
         <div
           ref="timelineBar"
           class="timeline-bar"
-          @mousemove="handleMouseMove"
-          @mouseleave="handleMouseLeave"
-          @mousedown="handleMouseDown"
         >
           <!-- Non-working hours - before work -->
           <div
@@ -93,7 +96,6 @@
               left: `${getTimePosition(previewBlock.start)}px`,
               width: `${getTimeWidth(previewBlock.start, previewBlock.end)}px`,
             }"
-            @mousedown.stop="handlePreviewMouseDown"
           >
             <div class="preview-time-label">
               <div
@@ -183,6 +185,15 @@
               width: `${getTimeWidth(segment.start, segment.end)}px`,
             }"
           ></div>
+
+          <!-- Cursor line (snapped to 15-min intervals) -->
+          <div
+            v-if="showCursor && cursorPosition"
+            class="timeline-cursor"
+            :style="{
+              left: `${getTimePosition(cursorPosition)}px`,
+            }"
+          ></div>
         </div>
       </div>
     </div>
@@ -211,6 +222,7 @@ interface CollisionSegment {
 interface Props {
   isLoading: boolean;
   employee: EmployeeFullData;
+  date: Date | string | null;
   scheduledBlocks: TimelineTask[];
   otherTimeblocks?: TimeblockData[];
   currentTimeblockRange: {
@@ -260,9 +272,14 @@ const dragState = ref({
 });
 const resizedCurrentBlock = ref<{ start: Date; end: Date } | null>(null);
 
+// Cursor line state
+const showCursor = ref(false);
+const cursorPosition = ref<Date | null>(null);
+
 // Check if the current date is a weekend (Saturday or Sunday)
 const isWeekend = computed(() => {
-  const date = props.currentTimeblockRange.start;
+  // Use the explicit date prop first, fallback to currentTimeblockRange.start
+  const date = props.date || props.currentTimeblockRange.start;
   if (!date) return false;
 
   const dayOfWeek = moment(date).day(); // 0 = Sunday, 6 = Saturday
@@ -343,8 +360,10 @@ const formatTime = (date: Date): string => {
 };
 
 // Check if mouse is over an existing block (x is already relative position with scroll)
+// Note: This does NOT check the current timeblock because we want to allow
+// clicking elsewhere to change the current timeblock to a new time
 const isOverExistingBlock = (relativeX: number): boolean => {
-  // Check if over any scheduled block
+  // Check if over any scheduled block (saved tasks from database)
   for (const task of props.scheduledBlocks) {
     const blockLeft = getTimePosition(task._real_start);
     const blockWidth = getTimeWidth(task._real_start, task._real_end);
@@ -353,7 +372,7 @@ const isOverExistingBlock = (relativeX: number): boolean => {
     }
   }
 
-  // Check if over any other timeblock
+  // Check if over any other timeblock (from other rows in the modal)
   for (const tb of otherTimeblocksRendered.value) {
     const blockLeft = getTimePosition(tb._start);
     const blockWidth = getTimeWidth(tb._start, tb._end);
@@ -362,18 +381,7 @@ const isOverExistingBlock = (relativeX: number): boolean => {
     }
   }
 
-  // Check if over current timeblock
-  if (props.currentTimeblockRange.start && props.currentTimeblockRange.end) {
-    const blockLeft = getTimePosition(props.currentTimeblockRange.start);
-    const blockWidth = getTimeWidth(
-      props.currentTimeblockRange.start,
-      props.currentTimeblockRange.end,
-    );
-    if (relativeX >= blockLeft && relativeX <= blockLeft + blockWidth) {
-      return true;
-    }
-  }
-
+  // Don't check current timeblock - allow changing it by clicking elsewhere
   return false;
 };
 
@@ -394,13 +402,38 @@ const handleMouseMove = (event: MouseEvent) => {
     return;
   }
 
-  if (!timelineScroll.value) return;
+  if (!timelineScroll.value || !timelineBar.value) return;
 
-  // Get position relative to scroll container, accounting for scroll
+  // Get position relative to scroll container
   const rect = timelineScroll.value.getBoundingClientRect();
   const scrollLeft = timelineScroll.value.scrollLeft;
+
+  // Calculate X position relative to timeline
   const x = event.clientX - rect.left + scrollLeft;
 
+  // Always calculate cursor position (with 15-min snapping)
+  const rawTime = positionToTime(x);
+  const snappedTime = snapToInterval(rawTime);
+  const cursorHour = snappedTime.getHours() + snappedTime.getMinutes() / 60;
+
+  // Check if cursor is in working hours
+  const isInWorkHours =
+    cursorHour >= props.employee.work_start &&
+    cursorHour < props.employee.work_end;
+
+  // Only show cursor line if in working hours
+  if (isInWorkHours) {
+    cursorPosition.value = snappedTime;
+    showCursor.value = true;
+  } else {
+    showCursor.value = false;
+  }
+
+  // Update cursor style based on work hours
+  if (timelineScroll.value) {
+    timelineScroll.value.style.cursor = isInWorkHours ? 'crosshair' : 'not-allowed';
+  }
+
   // Don't show preview if over existing block (using relative position)
   if (isOverExistingBlock(x)) {
     showPreview.value = false;
@@ -408,19 +441,13 @@ const handleMouseMove = (event: MouseEvent) => {
   }
 
   // Convert to time and snap
-  const rawTime = positionToTime(x);
-  const snappedStart = snapToInterval(rawTime);
+  const snappedStart = snappedTime;
 
   // Calculate default end time (1 hour later)
   let snappedEnd = moment(snappedStart).add(1, 'hour').toDate();
 
   // Only show preview if start is within work hours
-  const startHour = snappedStart.getHours() + snappedStart.getMinutes() / 60;
-
-  if (
-    startHour >= props.employee.work_start &&
-    startHour < props.employee.work_end
-  ) {
+  if (isInWorkHours) {
     // If the end would exceed work hours, cap it at work_end
     const endHour = snappedEnd.getHours() + snappedEnd.getMinutes() / 60;
 
@@ -450,23 +477,72 @@ const handleMouseMove = (event: MouseEvent) => {
 const handleMouseLeave = () => {
   if (!dragState.value.isStretching && !dragState.value.isResizingCurrent) {
     showPreview.value = false;
+    showCursor.value = false;
+    // Reset cursor style to default crosshair
+    if (timelineScroll.value) {
+      timelineScroll.value.style.cursor = 'crosshair';
+    }
   }
 };
 
-// Mouse down on timeline bar (not on preview or current block)
-const handleMouseDown = (_event: MouseEvent) => {
-  // This will only trigger if not clicking on preview or current block
-  // (those have @mousedown.stop)
-};
+// Handle mousedown on timeline (including header area)
+const handleTimelineMouseDown = (event: MouseEvent) => {
+  if (isMobile.value) return;
+  if (!timelineScroll.value || !cursorPosition.value) return;
 
-// Preview block mouse down - start creating/stretching
-const handlePreviewMouseDown = (event: MouseEvent) => {
-  if (!previewBlock.value) return;
+  // Get the target element
+  const target = event.target as HTMLElement;
 
+  // Don't interfere with resize handles on current timeblock
+  if (target.classList.contains('resize-handle')) {
+    return;
+  }
+
+  // Check if clicking on current timeblock (allow resize handles to work)
+  if (target.closest('.current-timeblock')) {
+    return;
+  }
+
+  const rect = timelineScroll.value.getBoundingClientRect();
+  const scrollLeft = timelineScroll.value.scrollLeft;
+  const x = event.clientX - rect.left + scrollLeft;
+
+  // Don't start creating if over existing block
+  if (isOverExistingBlock(x)) {
+    return;
+  }
+
+  // Check if cursor is in work hours (cursor line must be visible)
+  if (!showCursor.value || !showPreview.value || !previewBlock.value) {
+    return;
+  }
+
+  // Start creating/stretching block at the snapped cursor position
   dragState.value.isStretching = true;
   dragState.value.startX = event.clientX;
-  dragState.value.initialStart = previewBlock.value.start;
-  dragState.value.initialEnd = previewBlock.value.end;
+  dragState.value.initialStart = cursorPosition.value;
+  
+  // Calculate initial end time (1 hour later, capped at work_end)
+  let initialEnd = moment(cursorPosition.value).add(1, 'hour').toDate();
+  const endHour = initialEnd.getHours() + initialEnd.getMinutes() / 60;
+  if (endHour > props.employee.work_end) {
+    initialEnd = moment(cursorPosition.value)
+      .set({
+        hour: Math.floor(props.employee.work_end),
+        minute: (props.employee.work_end % 1) * 60,
+        second: 0,
+        millisecond: 0,
+      })
+      .toDate();
+  }
+  
+  dragState.value.initialEnd = initialEnd;
+
+  // Set initial preview block (already has 1 hour duration from preview)
+  previewBlock.value = {
+    start: cursorPosition.value,
+    end: initialEnd,
+  };
 
   event.preventDefault();
 };
@@ -484,13 +560,18 @@ const handleStretchMove = (event: MouseEvent) => {
   const initialStartTime = dragState.value.initialStart.getTime();
   const snappedTimeValue = snappedTime.getTime();
 
-  if (snappedTimeValue > initialStartTime) {
+  if (snappedTimeValue >= initialStartTime) {
     // Stretching right (extending end)
+    // Ensure minimum 15-minute block
+    let endTime = snappedTime;
+    if (snappedTimeValue === initialStartTime) {
+      endTime = moment(snappedTime).add(15, 'minutes').toDate();
+    }
+
     // Cap at work_end
-    const snappedEndHour =
-      snappedTime.getHours() + snappedTime.getMinutes() / 60;
-    if (snappedEndHour > props.employee.work_end) {
-      snappedTime = moment(snappedTime)
+    const endHour = endTime.getHours() + endTime.getMinutes() / 60;
+    if (endHour > props.employee.work_end) {
+      endTime = moment(endTime)
         .set({
           hour: Math.floor(props.employee.work_end),
           minute: (props.employee.work_end % 1) * 60,
@@ -502,8 +583,12 @@ const handleStretchMove = (event: MouseEvent) => {
 
     previewBlock.value = {
       start: dragState.value.initialStart,
-      end: snappedTime,
+      end: endTime,
     };
+
+    // Update cursor to show at the actual block edge (end)
+    cursorPosition.value = endTime;
+    showCursor.value = true;
   } else {
     // Stretching left (extending start)
     // Cap at work_start
@@ -524,17 +609,27 @@ const handleStretchMove = (event: MouseEvent) => {
       start: snappedTime,
       end: dragState.value.initialStart,
     };
+
+    // Update cursor to show at the actual block edge (start)
+    cursorPosition.value = snappedTime;
+    showCursor.value = true;
   }
 };
 
 // Handle stretch end
 const handleStretchEnd = () => {
   if (dragState.value.isStretching && previewBlock.value) {
-    // Emit the new timeblock
-    emit('timeblockUpdated', {
-      starts_at_time: formatTime(previewBlock.value.start),
-      ends_at_time: formatTime(previewBlock.value.end),
-    });
+    // Only emit if we have a valid block (start != end)
+    const startTime = previewBlock.value.start.getTime();
+    const endTime = previewBlock.value.end.getTime();
+    
+    if (endTime > startTime) {
+      // Emit the new timeblock
+      emit('timeblockUpdated', {
+        starts_at_time: formatTime(previewBlock.value.start),
+        ends_at_time: formatTime(previewBlock.value.end),
+      });
+    }
   }
 
   dragState.value.isStretching = false;
@@ -599,6 +694,9 @@ const handleResizeCurrentMove = (event: MouseEvent) => {
         start: snappedTime,
         end: dragState.value.initialEnd,
       };
+      // Update cursor to show at the actual block edge
+      cursorPosition.value = snappedTime;
+      showCursor.value = true;
     }
   } else if (dragState.value.resizeEdge === 'right') {
     // Resizing right edge (changing end time)
@@ -622,6 +720,9 @@ const handleResizeCurrentMove = (event: MouseEvent) => {
         start: dragState.value.initialStart,
         end: snappedTime,
       };
+      // Update cursor to show at the actual block edge
+      cursorPosition.value = snappedTime;
+      showCursor.value = true;
     }
   }
 };
@@ -709,6 +810,7 @@ defineExpose({
   position: relative
   width: 100%
   scrollbar-width: none  // Firefox
+  cursor: crosshair
 
   &::-webkit-scrollbar
     display: none  // Chrome, Safari, Opera
@@ -719,7 +821,6 @@ defineExpose({
   width: calc(24 * 60px)
   background: #fafafa
   border-radius: 4px
-  cursor: crosshair
 
   @media (max-width: 768px)
     width: calc(24 * 50px)
@@ -792,6 +893,7 @@ defineExpose({
   display: flex
   align-items: center
   justify-content: center
+  pointer-events: none
 
   &:hover
     opacity: 0.8
@@ -861,6 +963,15 @@ defineExpose({
   z-index: 4
   pointer-events: none
 
+.timeline-cursor
+  position: absolute
+  top: 0
+  bottom: 0
+  width: 2px
+  background: rgba(0, 0, 0, 0.3)
+  z-index: 10
+  pointer-events: none
+
 .timeblock-duration
   position: absolute
   top: 50%

app/src/plugins/tm@modal/task/_components/employees/a-employee-timeblock.vue

@@ -33,6 +33,7 @@
         ref="timelineRef"
         :is-loading="isLoading"
         :employee="employee"
+        :date="modelValue.date"
         :scheduled-blocks="scheduledBlocks"
         :other-timeblocks="otherTimeblocksForSameDate"
         :current-timeblock-range="currentTimeblockRange"