fixes for equations : :eq as option to ctrl-m inside a text box. added background for equations. fixed cursor focus issues.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/client/views/nodes/formattedText/RichTextRules.ts b/src/client/views/nodes/formattedText/RichTextRules.ts
index 2eb62c38d..7ddd1a2c4 100644
--- a/src/client/views/nodes/formattedText/RichTextRules.ts
+++ b/src/client/views/nodes/formattedText/RichTextRules.ts
@@ -295,6 +295,15 @@ export class RichTextRules {
                 return state.tr;
             }),
 
+            // create an inline equation node
+            // eq:<equation>>
+            new InputRule(new RegExp(/:eq([a-zA-Z-0-9\(\)]*)$/), (state, match, start, end) => {
+                const fieldKey = 'math' + Utils.GenerateGuid();
+                this.TextBox.dataDoc[fieldKey] = match[1];
+                const tr = state.tr.setSelection(new TextSelection(state.tr.doc.resolve(end - 3), state.tr.doc.resolve(end))).replaceSelectionWith(schema.nodes.equation.create({ fieldKey }));
+                return tr.setSelection(new NodeSelection(tr.doc.resolve(tr.selection.$from.pos - 1)));
+            }),
+
             // create an inline view of a document {{ <layoutKey> : <Doc> }}
             // {{:Doc}} => show default view of document
             // {{<layout>}} => show layout for this doc