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Touch drag-and-drop support for toolbox #439

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Touch drag-and-drop support for toolbox #439

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a11fa2c
Added touch drag-and-drop support to toolbox.
cubiclesoft Sep 2, 2017
5631cd2
Merge remote-tracking branch 'upstream/master'
cubiclesoft Oct 13, 2017
a12152c
Merge remote-tracking branch 'upstream/master'
cubiclesoft Mar 20, 2018
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36 changes: 27 additions & 9 deletions src/scripts/ui/toolbox.coffee
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Original file line number Diff line number Diff line change
Expand Up @@ -161,6 +161,7 @@ class ContentTools.ToolboxUI extends ContentTools.WidgetUI

# Allow the toolbox to be dragged to a new location by the user
@_domGrip.addEventListener('mousedown', @_onStartDragging)
@_domGrip.addEventListener('touchstart', @_onStartDragging)

# Ensure that when the window is resized the toolbox remains in view
@_handleResize = (ev) =>
Expand Down Expand Up @@ -347,13 +348,18 @@ class ContentTools.ToolboxUI extends ContentTools.WidgetUI

_onDrag: (ev) =>
# User has dragged the toolbox to a new position
ev.preventDefault()

# Prevent content selection while dragging elements
ContentSelect.Range.unselectAll()

# Reposition the toolbox
@_domElement.style.left = "#{ ev.clientX - @_draggingOffset.x }px"
@_domElement.style.top = "#{ ev.clientY - @_draggingOffset.y }px"
if ev.type == 'touchmove'
@_domElement.style.left = "#{ ev.touches[0].clientX - @_draggingOffset.x }px"
@_domElement.style.top = "#{ ev.touches[0].clientY - @_draggingOffset.y }px"
else
@_domElement.style.left = "#{ ev.clientX - @_draggingOffset.x }px"
@_domElement.style.top = "#{ ev.clientY - @_draggingOffset.y }px"

_onStartDragging: (ev) =>
# Start dragging the toolbox
Expand All @@ -368,14 +374,24 @@ class ContentTools.ToolboxUI extends ContentTools.WidgetUI

# Calculate the offset of the cursor to the toolbox
rect = @_domElement.getBoundingClientRect()
@_draggingOffset = {
x: ev.clientX - rect.left,
y: ev.clientY - rect.top
}
if ev.type == 'touchstart'
@_draggingOffset = {
x: ev.touches[0].clientX - rect.left,
y: ev.touches[0].clientY - rect.top
}

# Setup dragging behaviour for the element
document.addEventListener('touchmove', @_onDrag)
document.addEventListener('touchend', @_onStopDragging)
else
@_draggingOffset = {
x: ev.clientX - rect.left,
y: ev.clientY - rect.top
}

# Setup dragging behaviour for the element
document.addEventListener('mousemove', @_onDrag)
document.addEventListener('mouseup', @_onStopDragging)
# Setup dragging behaviour for the element
document.addEventListener('mousemove', @_onDrag)
document.addEventListener('mouseup', @_onStopDragging)

# Add dragging class to the body (this class is defined in ContentEdit
# it disabled content selection via CSS).
Expand All @@ -390,6 +406,8 @@ class ContentTools.ToolboxUI extends ContentTools.WidgetUI
@_contain()

# Remove dragging behaviour
document.removeEventListener('touchmove', @_onDrag)
document.removeEventListener('touchend', @_onStopDragging)
document.removeEventListener('mousemove', @_onDrag)
document.removeEventListener('mouseup', @_onStopDragging)

Expand Down