Granular options for on-chart editing

src/components/annotations/draw.js

@@ -85,6 +85,8 @@ function drawOne(gd, index) {
 function drawRaw(gd, options, index, subplotId, xa, ya) {
     var fullLayout = gd._fullLayout;
     var gs = gd._fullLayout._size;
+    var edits = gd._context.edits;
+
     var className;
     var annbase;
 
@@ -128,8 +130,11 @@ function drawRaw(gd, options, index, subplotId, xa, ya) {
     var annTextGroup = annGroup.append('g')
         .classed('annotation-text-g', true);
 
+    var editTextPosition = edits[options.showarrow ? 'annotationTail' : 'annotationPosition'];
+    var textEvents = options.captureevents || edits.annotationText || editTextPosition;
+
     var annTextGroupInner = annTextGroup.append('g')
-        .style('pointer-events', options.captureevents ? 'all' : null)
+        .style('pointer-events', textEvents ? 'all' : null)
         .call(setCursor, 'default')
         .on('click', function() {
             gd._dragging = false;
@@ -519,7 +524,7 @@ function drawRaw(gd, options, index, subplotId, xa, ya) {
 
             // the arrow dragger is a small square right at the head, then a line to the tail,
             // all expanded by a stroke width of 6px plus the arrow line width
-            if(gd._context.editable && arrow.node().parentNode && !subplotId) {
+            if(edits.annotationPosition && arrow.node().parentNode && !subplotId) {
                 var arrowDragHeadX = headX;
                 var arrowDragHeadY = headY;
                 if(options.standoff) {
@@ -601,7 +606,7 @@ function drawRaw(gd, options, index, subplotId, xa, ya) {
         if(options.showarrow) drawArrow(0, 0);
 
         // user dragging the annotation (text, not arrow)
-        if(gd._context.editable) {
+        if(editTextPosition) {
             var update,
                 baseTextTransform;
 
@@ -679,7 +684,7 @@ function drawRaw(gd, options, index, subplotId, xa, ya) {
         }
     }
 
-    if(gd._context.editable) {
+    if(edits.annotationText) {
         annText.call(svgTextUtils.makeEditable, {delegate: annTextGroupInner, gd: gd})
             .call(textLayout)
             .on('edit', function(_text) {

src/components/colorbar/draw.js

@@ -550,7 +550,7 @@ module.exports = function draw(gd, id) {
         if(cbDone && cbDone.then) (gd._promises || []).push(cbDone);
 
         // dragging...
-        if(gd._context.editable) {
+        if(gd._context.edits.colorbarPosition) {
             var t0,
                 xf,
                 yf;

src/components/legend/draw.js

@@ -312,7 +312,7 @@ module.exports = function draw(gd) {
         });
     }
 
-    if(gd._context.editable) {
+    if(gd._context.edits.legendPosition) {
         var xf, yf, x0, y0;
 
         legend.classed('cursor-move', true);
@@ -385,7 +385,7 @@ function drawTexts(g, gd) {
         });
     }
 
-    if(gd._context.editable && !isPie) {
+    if(gd._context.edits.legendText && !isPie) {
         text.call(svgTextUtils.makeEditable, {gd: gd})
             .call(textLayout)
             .on('edit', function(text) {
@@ -730,7 +730,7 @@ function computeLegendDimensions(gd, groups, traces) {
         bg.call(Drawing.setRect,
             0,
             -legendItem.height / 2,
-            (gd._context.editable ? 0 : opts.width) + extraWidth,
+            (gd._context.edits.legendText ? 0 : opts.width) + extraWidth,
             legendItem.height
         );
     });

src/components/shapes/draw.js

@@ -114,7 +114,7 @@ function drawOne(gd, index) {
             null
         );
 
-        if(gd._context.editable) setupDragElement(gd, path, options, index);
+        if(gd._context.edits.shapePosition) setupDragElement(gd, path, options, index);
     }
 }
 

src/components/titles/index.js

@@ -70,7 +70,14 @@ Titles.draw = function(gd, titleClass, options) {
     var opacity = 1;
     var isplaceholder = false;
     var txt = cont.title.trim();
-    var editable = gd._context.editable;
+
+    // only make this title editable if we positively identify its property
+    // as one that has editing enabled.
+    var editAttr;
+    if(prop === 'title') editAttr = 'titleText';
+    else if(prop.indexOf('axis') !== -1) editAttr = 'axisTitleText';
+    else if(prop.indexOf('colorbar' !== -1)) editAttr = 'colorbarTitleText';
+    var editable = gd._context.edits[editAttr];
 
     if(txt === '') opacity = 0;
     if(txt.match(PLACEHOLDER_RE)) {

src/plot_api/plot_api.js

@@ -406,6 +406,7 @@ function setPlotContext(gd, config) {
         keys = Object.keys(config);
         for(i = 0; i < keys.length; i++) {
             key = keys[i];
+            if(key === 'editable' || key === 'edits') continue;
             if(key in context) {
                 if(key === 'setBackground' && config[key] === 'opaque') {
                     context[key] = opaqueSetBackground;
@@ -418,11 +419,35 @@ function setPlotContext(gd, config) {
         if(config.plot3dPixelRatio && !context.plotGlPixelRatio) {
             context.plotGlPixelRatio = context.plot3dPixelRatio;
         }
+
+        // now deal with editable and edits - first editable overrides
+        // everything, then edits refines
+        var editable = config.editable;
+        if(editable !== undefined) {
+            // we're not going to *use* context.editable, we're only going to
+            // use context.edits... but keep it for the record
+            context.editable = editable;
+
+            keys = Object.keys(context.edits);
+            for(i = 0; i < keys.length; i++) {
+                context.edits[keys[i]] = editable;
+            }
+        }
+        if(config.edits) {
+            keys = Object.keys(config.edits);
+            for(i = 0; i < keys.length; i++) {
+                key = keys[i];
+                if(key in context.edits) {
+                    context.edits[key] = config.edits[key];
+                }
+            }
+        }
     }
 
     // staticPlot forces a bunch of others:
     if(context.staticPlot) {
         context.editable = false;
+        context.edits = {};
         context.autosizable = false;
         context.scrollZoom = false;
         context.doubleClick = false;
@@ -491,7 +516,7 @@ function plotPolar(gd, data, layout) {
     var title = polarPlotSVG.select('.title-group text')
         .call(titleLayout);
 
-    if(gd._context.editable) {
+    if(gd._context.edits.titleText) {
         if(!txt || txt === placeholderText) {
             opacity = 0.2;
             // placeholder is not going through convertToTspans

src/plot_api/plot_config.js

@@ -23,8 +23,27 @@ module.exports = {
     // no interactivity, for export or image generation
     staticPlot: false,
 
-    // we can edit titles, move annotations, etc
+    // we can edit titles, move annotations, etc - sets all pieces of `edits`
+    // unless a separate `edits` config item overrides individual parts
     editable: false,
+    edits: {
+        // annotationPosition: the main anchor of the annotation, which is the
+        // text (if no arrow) or the arrow (which drags the whole thing leaving
+        // the arrow length & direction unchanged)
+        annotationPosition: false,
+        // just for annotations with arrows, change the length  and direction of the arrow
+        annotationTail: false,
+        annotationText: false,
+        axisTitleText: false,
+        colorbarPosition: false,
+        colorbarTitleText: false,
+        legendPosition: false,
+        // edit the trace name fields from the legend
+        legendText: false,
+        shapePosition: false,
+        // the global `layout.title`
+        titleText: false
+    },
 
     // DO autosize once regardless of layout.autosize
     // (use default width or height values otherwise)