From 31cc69df82abce2250505c1e088d3f787a521a13 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Thu, 17 Sep 2015 19:46:34 +0200
Subject: Implemented support for an array of static hints, which are displayed
 in sequence after pressing the "more" button.

---
 js/codeq/hint.js | 64 +++++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 54 insertions(+), 10 deletions(-)

(limited to 'js')

diff --git a/js/codeq/hint.js b/js/codeq/hint.js
index ffae638..c22f39f 100644
--- a/js/codeq/hint.js
+++ b/js/codeq/hint.js
@@ -10,6 +10,7 @@
     codeq.makeHinter = function (jqHints, jqEditor, editor, hintDefs) {
         var hintCounter = 0, // for generating unique class-names
             hintCleaners = [],
+
             clearHints = function () {
                 var i;
                 for (i = hintCleaners.length - 1; i >= 0; i--) {
@@ -18,6 +19,7 @@
                 hintCleaners.length = 0;
                 hintCounter = 0;
             },
+
             addMark = function (start, end) {
                 var posStart = editor.posFromIndex(start),
                     posEnd = editor.posFromIndex(end),
@@ -28,6 +30,7 @@
                 hintCounter++;
                 return result;
             },
+
             processTemplate = function (template, args) {
                 if (!args)
                     return template;
@@ -35,11 +38,49 @@
                     return args[name];
                 });
             },
+
             typeHandlers = {
                 'static': function (type, template, serverHint) {
-                    codeq.log.debug('Processing static hint');
-                    var message = processTemplate(template, serverHint.args);
-                    jqHints.append('<div class="hint-static">' + message + '</div>');
+                    var jqContainer, jqButton, promise, i, lastIndex;
+                    if (template instanceof Array) { // unwrap the template if there's only one
+                        if (template.length == 0) template = '';
+                        else if (template.length == 1) template = template[0] + '';
+                    }
+                    if (template instanceof Array) {
+                        codeq.log.debug('Processing an array of static hints');
+                        jqContainer = $('<div class="hint-static-group"></div>');
+                        jqButton = $('<button type="button">More...</button>'); // TODO: translate "more"
+                        jqHints.append(jqContainer);
+                        lastIndex = template.length - 1;
+                        promise = Q();
+                        for (i = 0; i <= lastIndex; i++) {
+                            promise = promise.then((function (tmpl, index) {
+                                return Q.Promise(function (resolve, reject) {
+                                    var message = processTemplate(tmpl, serverHint.args),
+                                        onClick;
+                                    jqContainer.append('<div class="hint-static">' + message + '</div>');
+                                    if (index < lastIndex) {
+                                        onClick = function () {
+                                            jqButton.off('click', onClick);
+                                            jqButton.remove();
+                                            resolve();
+                                        };
+                                        jqContainer.append(jqButton);
+                                        jqButton.on('click', onClick);
+                                    }
+                                    else {
+                                        resolve();
+                                    }
+                                });
+                            })(template[i], i));
+                        }
+                        promise.done();
+                    }
+                    else {
+                        codeq.log.debug('Processing a single static hint');
+                        var message = processTemplate(template, serverHint.args);
+                        jqHints.append('<div class="hint-static">' + message + '</div>');
+                    }
                     // no hint cleaner here, a static hint remains on the screen
                 },
 
@@ -102,21 +143,24 @@
                     /** HintDefinition */ hintDef,
                     hintType, hintTemplate, t, fn, indices;
                 clearHints();
+                mainLoop:
                 for (i = 0; i < n; i++) {
                     serverHint = serverHints[i];
                     hintDef = hintDefs[serverHint.id];
+                    if (!hintDef) {
+                        codeq.log.error('Undefined hint ' + serverHint.id);
+                        continue;
+                    }
                     if (serverHint.indices) {
-                        indices = serverHint.indices
+                        indices = serverHint.indices;
                         for (i = 0; i < indices.length; i++) {
                             hintDef = hintDef[indices[i]];
-                            if (!hintDef)
-                                break;
+                            if (!hintDef) {
+                                codeq.log.error('Undefined hint ' + serverHint.id + ' with indices ' + serverHint.indices);
+                                continue mainLoop;
+                            }
                         }
                     }
-                    if (!hintDef) {
-                        codeq.log.error('Undefined hint ' + serverHint.id + ' with indices ' + serverHint.indices);
-                        continue;
-                    }
                     t = typeof hintDef;
                     if (t === 'object') {
                         hintType = hintDef.type;
-- 
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