B4J Question [SOLVED],[BANanoVuetifyAD3] Could you please Add more event with Leaflet

NGUYEN TUAN ANH

Active Member
Licensed User
Dear All,
I used Leaflet Class in BANanoVuetifyAD3.b4xlib 7.35
I need Events: #Event: MouseClick (latLng as Object) and #Event: MouseMove (latLng as Object)
But it only has the following Events:
B4X: 
#Event: ImageClick (image As Map)
#Event: CircleClick (marker As Map)
#Event: MarkerClick (marker As Map)
#Event: PolygonClick (marker As Map)
#Event: PolylineClick (marker As Map)
#Event: Ready
#Event: RectangleClick (marker As Map)
#Event: Resize
#Event: ToolBar_Click (id As String)
#Event: UpdateBounds (bounds as Object)
#Event: UpdateCenter (latLng as Object)
#Event: UpdateZoom (latLng As Object)
#Event: MouseEnter (e As BANanoEvent)
#Event: MouseLeave (e As BANanoEvent)
Could you please add 2 Events MouseClick (latLng as Object) and MouseMove (latLng as Object) into Leaflet Class for me
Best Regards.
 
Last edited:
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Mashiane

Expert
Licensed User
Longtime User
I have noted the event links you sent.



I will investigate how to turn the MouseEvent into a GPS coordinate as soon as I can, as the class in BVAD3 is based on this wrap of Leaflet, https://vue2-leaflet.netlify.app/

In other news...

By default, any element you add that is defined in Class/Process Globals already has a list of "virtual" events bound to it. These ONLY come to life as soon as a callback is added to your code module.

As an example, adding, this code in your code/class module

B4X: 
Sub <componentname>_click(e as BANanoEvent)
End Sub

Sub <componentname>_mousemove (e as BANanoEvent)
End Sub

'click + stop propagation
Sub <componentname>_clickstop (e as BANanoEvent)
End Sub

'hold shift and click
Sub <componentname>_clickshift (e as BANanoEvent)
End Sub

Will activate those events, even if they are not listed in the #Events list of any class.

This is due to this global event binding on the base VueElement that is a building block for each element. VueElement however SHOULD NEVER be accessed directly.

B4X: 
Sub BindAllEvents
    SetOnEvent(mCallBack, "close", "")
    SetOnEvent(mCallBack, "finish", "")
    SetOnEvent(mCallBack, "blur", "")
    SetOnEvent(mCallBack, "click", "")
    SetOnEvent(mCallBack, "click.native", "")
    SetOnEvent(mCallBack, "click.stop", "")
    SetOnEvent(mCallBack, "click.prevent", "")
    SetOnEvent(mCallBack, "change", "")
    SetOnEvent(mCallBack, "click:append", "")
    SetOnEvent(mCallBack, "click:prepend", "")
    SetOnEvent(mCallBack, "click:append-outer", "")
    SetOnEvent(mCallBack, "click:prepend-inner", "")
    SetOnEvent(mCallBack, "click:clear", "")
    SetOnEvent(mCallBack, "dblclick", "")
    SetOnEvent(mCallBack, "MouseMove", "")
    SetOnEvent(mCallBack, "MouseOut", "")
    SetOnEvent(mCallBack, "KeyUp", "")
    SetOnEvent(mCallBack, "KeyPress", "")
    SetOnEvent(mCallBack, "Click.Alt", "")
    SetOnEvent(mCallBack, "Click.Shift", "")
    SetOnEvent(mCallBack, "start", "")
    SetOnEvent(mCallBack, "end", "")
    SetOnEvent(mCallBack, "click:close", "")
    SetOnEvent(mCallBack, "update:active", "")
    SetOnEvent(mCallBack, "update:open", "")
    SetOnEvent(mCallBack, "update:error", "")
    SetOnEvent(mCallBack, "update:list-index", "")
    SetOnEvent(mCallBack, "update:search-input", "")
    SetOnEvent(mCallBack, "focus", "")
    SetOnEvent(mCallBack, "input", "")
    SetOnEvent(mCallBack, "keydown", "")
    SetOnEvent(mCallBack, "mousedown", "")
    SetOnEvent(mCallBack, "mousedown.stop", "")
    SetOnEvent(mCallBack, "mouseup", "")
    SetOnEvent(mCallBack, "mouseover", "")
    SetOnEvent(mCallBack, "submit", "")
    SetOnEvent(mCallBack, "MouseEnter", "")
    SetOnEvent(mCallBack, "MouseLeave", "")
    SetOnEvent(mCallBack, "submit.prevent", "")
    SetOnEvent(mCallBack, "dblclick.prevent", "")
    SetOnEvent(mCallBack, "keydown.enter.prevent", "")
    SetOnEvent(mCallBack, "keydown.left.prevent", "")
    SetOnEvent(mCallBack, "keydown.right.prevent", "")
    SetOnEvent(mCallBack, "keydown.space.prevent", "")
    SetOnEvent(mCallBack, "keyup.enter", "")
    SetOnEvent(mCallBack, "keyup.enter.prevent", "")
    SetOnEvent(mCallBack, "keyup.esc", "")
    SetOnEvent(mCallBack, "touchstart.stop", "")
    SetOnEvent(mCallBack, "click:event", "")
    SetOnEvent(mCallBack, "click:more", "")
    SetOnEvent(mCallBack, "click:date", "")
    SetOnEvent(mCallBack, "keydown.esc", "")
    SetOnEvent(mCallBack, "drop", "")
    SetOnEvent(mCallBack, "dragover", "")
    SetOnEvent(mCallBack, "dragenter", "")
    SetOnEvent(mCallBack, "dragleave", "")
    SetOnEvent(mCallBack, "transitionend", "")
    SetOnEvent(mCallBack, "update:mini-variant", "")
    SetOnEvent(mCallBack, "update:indeterminate", "")
    SetOnEvent(mCallBack, "dblclick:date", "")
    SetOnEvent(mCallBack, "click:row", "")
    SetOnEvent(mCallBack, "current-items", "")
    SetOnEvent(mCallBack, "dblclick:row", "")
    SetOnEvent(mCallBack, "item-expanded", "")
    SetOnEvent(mCallBack, "toggle-select-all", "")
    SetOnEvent(mCallBack, "click:hour", "")
    SetOnEvent(mCallBack, "click:minute", "")
    SetOnEvent(mCallBack, "click:second", "")
    SetOnEvent(mCallBack, "update:period", "")
    SetOnEvent(mCallBack, "update:color", "")
    SetOnEvent(mCallBack, "update:mode", "")
    SetOnEvent(mCallBack, "click:day", "")
    SetOnEvent(mCallBack, "click:day-category", "")
    SetOnEvent(mCallBack, "click:event", "")
    SetOnEvent(mCallBack, "click:interval","")
    SetOnEvent(mCallBack, "click:more", "")
    SetOnEvent(mCallBack, "click:time", "")
    SetOnEvent(mCallBack, "click:time-category", "")
    SetOnEvent(mCallBack, "contextmenu:row", "")
    SetOnEvent(mCallBack, "contextmenu:row.prevent", "")
    SetOnEvent(mCallBack, "contextmenu:date", "")
    SetOnEvent(mCallBack, "contextmenu:day", "")
    SetOnEvent(mCallBack, "contextmenu:day-category", "")
    SetOnEvent(mCallBack, "contextmenu:event", "")
    SetOnEvent(mCallBack, "contextmenu:interval", "")
    SetOnEvent(mCallBack, "contextmenu:time", "")
    SetOnEvent(mCallBack, "contextmenu:time-category", "")
    SetOnEvent(mCallBack, "moved", "")
    SetOnEvent(mCallBack, "click:outside", "")
    SetOnEvent(mCallBack, "click:next", "")
    SetOnEvent(mCallBack, "click:prev", "")
End Sub

What this means is, if an event is not listed on the #Event list of any class, as long as its defined in BindAllEvents, you can simply add it in your code/class module and that event will be picked up and it will work.

Internally this calls SubExists first before it creates event listeners.
 
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NGUYEN TUAN ANH

Active Member
Licensed User
Could you please send me 1 Example
 
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