Merge pull request #3233 from naturalcrit/FixPageDeletion

Fix Page Deletion issue

client/homebrew/brewRenderer/brewRenderer.jsx

@@ -45,12 +45,13 @@ let rawPages      = [];
 
 const BrewRenderer = (props)=>{
 	props = {
-		text     : '',
-		style    : '',
-		renderer : 'legacy',
-		theme    : '5ePHB',
-		lang     : '',
-		errors   : [],
+		text              : '',
+		style             : '',
+		renderer          : 'legacy',
+		theme             : '5ePHB',
+		lang              : '',
+		errors            : [],
+		currentEditorPage : 0,
 		...props
 	};
 
@@ -94,6 +95,9 @@ const BrewRenderer = (props)=>{
 		if(Math.abs(index - state.viewablePageNumber) <= 3)
 			return true;
 
+		if(index + 1 == props.currentEditorPage)
+			return true;
+
 		return false;
 	};
 
@@ -143,6 +147,9 @@ const BrewRenderer = (props)=>{
 		if(props.errors && props.errors.length)
 			return renderedPages;
 
+		if(rawPages.length != renderedPages.length) // Re-render all pages when page count changes
+			renderedPages.length = 0;
+
 		_.forEach(rawPages, (page, index)=>{
 			if((shouldRender(index) || !renderedPages[index]) && typeof window !== 'undefined'){
 				renderedPages[index] = renderPage(page, index); // Render any page not yet rendered, but only re-render those in PPR range

client/homebrew/pages/editPage/editPage.jsx

@@ -50,7 +50,8 @@ const EditPage = createClass({
 			url                    : '',
 			autoSave               : true,
 			autoSaveWarning        : false,
-			unsavedTime            : new Date()
+			unsavedTime            : new Date(),
+			currentEditorPage      : 0
 		};
 	},
 	savedBrew : null,
@@ -109,9 +110,10 @@ const EditPage = createClass({
 		if(htmlErrors.length) htmlErrors = Markdown.validate(text);
 
 		this.setState((prevState)=>({
-			brew       : { ...prevState.brew, text: text },
-			isPending  : true,
-			htmlErrors : htmlErrors
+			brew              : { ...prevState.brew, text: text },
+			isPending         : true,
+			htmlErrors        : htmlErrors,
+			currentEditorPage : this.refs.editor.getCurrentPage()
 		}), ()=>{if(this.state.autoSave) this.trySave();});
 	},
 
@@ -405,6 +407,7 @@ const EditPage = createClass({
 						theme={this.state.brew.theme}
 						errors={this.state.htmlErrors}
 						lang={this.state.brew.lang}
+						currentEditorPage={this.state.currentEditorPage}
 					/>
 				</SplitPane>
 			</div>