nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

Drawing Tool sometimes locks pan tool and can never finish drawing a polygon/polyline

ChuanHung

Hi

I'm developing a map application using Javascript API and I noticed (1) sometimes I can't pan the map after using the freehand drawing tools and (2) sometimes I can never finish drawing polyline/polygon by double clicking. At first I thought it's a problem in my code but then I found out the problems also exist in this sample . Could this be a bug in the API and is there any way to work around it?

Steps to reproduce problem (1)
1. Draw a Point on the map
2. Draw a Freehand Polyline on the map
3. Draw a Point on the map again
Now try to pan the map. It's no longer possible

Steps to reproduce problem (2)
1. Draw a Point on the map
2. Draw a Polyline on the map (not freehand)
3. Draw a Point on the map again
Now try to draw another Polyline (not freehand). Each time we double click it just adds a new vertex and we can never finish drawing the line

Thanks in advance!

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Accepted answers

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ChuanHung

I found a workaround for (1) by activating esri.toolbars.Navigation.PAN for my own navigation tool each time after I deactivate the drawing tool. I am still unable to fix problem (2). I guess I can just use freehand drawing tool for now but I'd love to see if there's a fix for problem (2). Thank in advance.

JianHuang

This is a bug. We will fix it very soon.
Thanks for reporting this.

ChuanHung

No problem Jian and thanks for replying back!

MarkHoover

Has there been any resolution to this yet?

JianHuang

This was an issue introduced with dojo 1.7. We will fix it in the next release.
At this moment, the fix you can apply is to set a bunch of events as null when deactivating the toolbar. For instance, the sample:
http://help.arcgis.com/en/webapi/javascript/arcgis/demos/toolbar/toolbar_draw.html
can be modified as:
    function addToMap(geometry) {
      toolbar.deactivate();
      toolbar._onMouseDownHandler_connect = toolbar._onMouseMoveHandler_connect =
      toolbar._onMouseDragHandler_connect = toolbar._onMouseUpHandler_connect =
      toolbar._onClickHandler_connect = toolbar._onDblClickHandler_connect =
      toolbar._onKeyDown_connect = toolbar._redrawConnect = null;
      ...
    }

MarkHoover

Worked like a charm. Thanks, Jian!

MahenderShah

This was an issue introduced with dojo 1.7. We will fix it in the next release.
At this moment, the fix you can apply is to set a bunch of events as null when deactivating the toolbar. For instance, the sample:
http://help.arcgis.com/en/webapi/javascript/arcgis/demos/toolbar/toolbar_draw.html
can be modified as:
    function addToMap(geometry) {
      toolbar.deactivate();
      toolbar._onMouseDownHandler_connect = toolbar._onMouseMoveHandler_connect =
      toolbar._onMouseDragHandler_connect = toolbar._onMouseUpHandler_connect =
      toolbar._onClickHandler_connect = toolbar._onDblClickHandler_connect =
      toolbar._onKeyDown_connect = toolbar._redrawConnect = null;
      ...
    }

Hi,

We are using ArcGIS 3.6 javascript API. Can you please confirm if this issue of dojo is resolved in the latest 3.6 javascript api. Also if possible can you please provide the ticket no of this dojo bug?

Thanks
Mahender

VinayBansal

Hi ,

I am using ArcGIS Javascript API 3.4 and ArcGIS Server 10.1 SP1.
After reading this post, I tested my application widget and as described in this post Problem 2. It's not occuring in my widget. What we did in the widget is that we have created a seperate graphic layer for adding the geometries from draw toolbar and enabling the map navigation after deactivating the toolbar in addGeomToMap function.
Hope this helps someone.....

Regards,
Vinay Bansal

MahenderShah

Hi Vinay,

Thanks for the update. But I exactly want to know is that since this was a bug of dojo 1.7 as mentioned by Jian, So is this bug resolved in dojo 1.8, so that we don't have to use any work around for this ?

Thanks
Mahender

VinayBansal

I have not encountered the same bug in 3.4 and hopefully it won't be there in 3.6. Since Jian has referred to the bug in Dojo 1.7 , but not mentioned what exactly was the bug. So not able to understand whether the bug is in dojo 1.7 or in ESRI API that used Dojo 1.7. We could have searched in the dojo Bugs list if he could have clearly mentioned about the bug detail. Also the sample link given in the above post is outdated.

To get yourself confident, just try out the sample from ESRI in different browsers. I have tried it in IE10 and Chrome and it works fine.
http://developers.arcgis.com/en/javascript/samples/graphics_add/

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