v0.0.1-alpha.12 - Completed Java Settings Tab.

Added JVM Options to the Java tab.
Small clean up for the Java tab's styles and bindings.

app/assets/css/launcher.css

@@ -1337,6 +1337,21 @@ input:checked + .toggleSwitchSlider:before {
 * Settings View (Java Tab)
 * * */
 
+/* Style links on the Java tab. */
+#settingsTabJava a {
+    color: rgba(202, 202, 202, 0.75);
+    transition: 0.25s ease;
+    outline: none;
+}
+#settingsTabJava a:hover,
+#settingsTabJava a:focus {
+    color: rgba(255, 255, 255, 0.75);
+}
+#settingsTabJava a:active {
+    color: rgba(165, 165, 165, 0.75);
+}
+
+/* Main container for memory management. */
 #settingsMemoryContainer {
     width: 75%;
     display: flex;
@@ -1345,12 +1360,14 @@ input:checked + .toggleSwitchSlider:before {
     margin-bottom: 20px;
 }
 
+/* Memory management title. */
 #settingsMemoryTitle {
     margin-bottom: 10px;
     padding-bottom: 5px;
     border-bottom: 1px solid rgba(255, 255, 255, 0.5);
 }
 
+/* Memory management content. */
 #settingsMemoryContent {
     display: flex;
     justify-content: space-between;
@@ -1365,33 +1382,31 @@ input:checked + .toggleSwitchSlider:before {
     margin-right: 10%;
 }
 
+/* Header for memory sliders. */
 .settingsMemoryHeader {
     font-size: 14px;
 }
 
+/* Wrapper container for a memory slider and label. */
 .settingsMemoryActionContainer {
     display: flex;
     align-items: center;
     justify-content: space-between;
 }
 
+/* Label which displays a memory slider's value. */
 .settingsMemoryLabel {
     font-size: 14px;
     margin-right: 3%;
 }
 
-#settingsMemoryDesc {
+/* Range sliders for min and max memory settings. */
-    font-size: 10px;
-    margin: 20px 0px;
-    color: lightgrey;
-    font-weight: bold;
-}
-
 #settingsMaxRAMRange,
 #settingsMinRAMRange {
     width: 85%;
 }
 
+/* Memory status elements. */
 #settingsMemoryStatus {
     display: flex;
     flex-direction: column;
@@ -1414,6 +1429,15 @@ input:checked + .toggleSwitchSlider:before {
     font-size: 16px;
 }
 
+/* Description for memory management. */
+#settingsMemoryDesc {
+    font-size: 10px;
+    margin: 20px 0px;
+    color: lightgrey;
+    font-weight: bold;
+}
+
+/* Main container for the Java executable setting. */
 #settingsJavaExecContainer {
     display: flex;
     flex-direction: column;
@@ -1422,40 +1446,48 @@ input:checked + .toggleSwitchSlider:before {
     width: 75%;
 }
 
+/* Java executable setting title. */
 #settingsJavaExecTitle {
     margin-bottom: 10px;
 }
 
+/* Status text which displays details on the selected executable. */
 #settingsJavaExecDetails {
     font-weight: bold;
     color: grey;
     font-size: 12px;
 }
 
+/* Wrapper container for the actionable elements. */
 #settingsJavaExecActions {
     display: flex;
+    width: 90%;
 }
 
-#settingsJavaExecIcon {
+/* Java icon settings. */
+.settingsJavaIcon {
     display: flex;
     align-items: center;
     background: rgba(126, 126, 126, 0.57);
     border-radius: 3px 0px 0px 3px;
     padding: 5px;
+    transition: 0.25s ease;
 }
-#settingsJavaExecSVG {
+.settingsJavaIconSVG {
     width: 20px;
     height: 20px;
     fill: white;
 }
 
+/* Disabled text field which stores the selected executable path. */
 #settingsJavaExecVal {
     border-radius: 0px !important;
-    width: 70%;
+    width: 100%;
     padding: 5px 10px;
     font-size: 12px;
 }
 
+/* File input for executable selection. */
 #settingsJavaExecSel {
     width: 0px;
     height: 0px;
@@ -1465,6 +1497,7 @@ input:checked + .toggleSwitchSlider:before {
     display: none;
 }
 
+/* Wrapper label to add a custom style to the file input. */
 #settingsJavaExecLabel {
     border-left: 0px;
     border-radius: 0px 3px 3px 0px;
@@ -1475,6 +1508,7 @@ input:checked + .toggleSwitchSlider:before {
     align-items: center;
     background: rgba(126, 126, 126, 0.57);
     transition: 0.25s ease;
+    white-space: nowrap;
 }
 #settingsJavaExecLabel:hover,
 #settingsJavaExecLabel:focus,
@@ -1482,6 +1516,7 @@ input:checked + .toggleSwitchSlider:before {
     text-shadow: 0px 0px 20px white;
 }
 
+/* Description for the Java executable setting. */
 #settingsJavaExecDesc {
     font-size: 10px;
     margin: 20px 0px;
@@ -1493,6 +1528,42 @@ input:checked + .toggleSwitchSlider:before {
     font-family: 'Avenir Medium';
 }
 
+/* Main container for the JVM options setting. */
+#settingsJVMOptsContainer {
+    width: 75%;
+}
+
+/* JVM options title. */
+#settingsJVMOptsTitle {
+    margin-bottom: 10px;
+}
+
+/* Wrapper container for the actionable elements. */
+#settingsJVMOptsContent {
+    display: flex;
+    width: 90%;
+}
+
+/* Text field to input the JVM options. */
+#settingsJVMOptsVal {
+    border-radius: 0px 3px 3px 0px !important;
+    width: 100%;
+    padding: 5px 10px;
+    font-size: 12px;
+}
+#settingsJVMOptsContent:focus-within > .settingsJavaIcon {
+    background: rgba(126, 126, 126, 0.87);
+}
+
+/* Description for the JVM options setting. */
+#settingsJVMOptsDesc {
+    font-size: 10px;
+    margin: 20px 0px;
+    color: lightgrey;
+    font-weight: bold;
+    width: 89%;
+}
+
 /*******************************************************************************
  *                                                                             *
  * Landing View (Structural Styles)                                            *

app/assets/js/scripts/settings.js

@@ -20,6 +20,7 @@ const settingsMemoryAvail     = document.getElementById('settingsMemoryAvail')
 const settingsJavaExecDetails = document.getElementById('settingsJavaExecDetails')
 const settingsJavaExecVal     = document.getElementById('settingsJavaExecVal')
 const settingsJavaExecSel     = document.getElementById('settingsJavaExecSel')
+const settingsJVMOptsVal      = document.getElementById('settingsJVMOptsVal')
 
 const settingsState = {
     invalid: new Set()
@@ -76,12 +77,15 @@ function initSettingsValues(){
         if(typeof gFn === 'function'){
             if(v.tagName === 'INPUT'){
                 if(v.type === 'number' || v.type === 'text'){
-                   v.value = gFn()
-
                    // Special Conditions
                    const cVal = v.getAttribute('cValue')
                     if(cVal === 'JavaExecutable'){
                         populateJavaExecDetails(v.value)
+                        v.value = gFn()
+                    } else if(cVal === 'JVMOptions'){
+                        v.value = gFn().join(' ')
+                    } else {
+                        v.value = gFn()
                     }
                 } else if(v.type === 'checkbox'){
                     v.checked = gFn()
@@ -119,7 +123,13 @@ function saveSettingsValues(){
         if(typeof sFn === 'function'){
             if(v.tagName === 'INPUT'){
                 if(v.type === 'number' || v.type === 'text'){
+                    // Special Conditions
+                    const cVal = v.getAttribute('cValue')
+                    if(cVal === 'JVMOptions'){
+                        sFn(v.value.split(' '))
+                    } else {
                         sFn(v.value)
+                    }
                 } else if(v.type === 'checkbox'){
                     sFn(v.checked)
                     // Special Conditions
@@ -348,6 +358,9 @@ function populateAuthAccounts(){
     settingsCurrentAccounts.innerHTML = authAccountStr
 }
 
+/**
+ * Prepare the accounts tab for display.
+ */
 function prepareAccountsTab() {
     populateAuthAccounts()
     bindAuthAccountSelect()
@@ -376,16 +389,29 @@ settingsGameHeight.addEventListener('keydown', (e) => {
  * Java Tab
  */
 
-settingsMaxRAMRange.setAttribute('max', ConfigManager.getAbsoluteMaxRAM())
+// Store maximum memory values.
-settingsMaxRAMRange.setAttribute('min', ConfigManager.getAbsoluteMinRAM())
+const SETTINGS_MAX_MEMORY = ConfigManager.getAbsoluteMaxRAM()
-settingsMinRAMRange.setAttribute('max', ConfigManager.getAbsoluteMaxRAM())
+const SETTINGS_MIN_MEMORY = ConfigManager.getAbsoluteMinRAM()
-settingsMinRAMRange.setAttribute('min', ConfigManager.getAbsoluteMinRAM())
 
+// Set the max and min values for the ranged sliders.
+settingsMaxRAMRange.setAttribute('max', SETTINGS_MAX_MEMORY)
+settingsMaxRAMRange.setAttribute('min', SETTINGS_MIN_MEMORY)
+settingsMinRAMRange.setAttribute('max', SETTINGS_MAX_MEMORY)
+settingsMinRAMRange.setAttribute('min', SETTINGS_MIN_MEMORY )
+
+// Bind on change event for min memory container.
 settingsMinRAMRange.onchange = (e) => {
+
+    // Current range values
     const sMaxV = Number(settingsMaxRAMRange.getAttribute('value'))
     const sMinV = Number(settingsMinRAMRange.getAttribute('value'))
+
+    // Get reference to range bar.
     const bar = e.target.getElementsByClassName('rangeSliderBar')[0]
+    // Calculate effective total memory.
     const max = (os.totalmem()-1000000000)/1000000000
+
+    // Change range bar color based on the selected value.
     if(sMinV >= max/2){
         bar.style.background = '#e86060'
     } else if(sMinV >= max/4) {
@@ -393,20 +419,31 @@ settingsMinRAMRange.onchange = (e) => {
     } else {
         bar.style.background = null
     }
+
+    // Increase maximum memory if the minimum exceeds its value.
     if(sMaxV < sMinV){
         const sliderMeta = calculateRangeSliderMeta(settingsMaxRAMRange)
         updateRangedSlider(settingsMaxRAMRange, sMinV,
         ((sMinV-sliderMeta.min)/sliderMeta.step)*sliderMeta.inc)
         settingsMaxRAMLabel.innerHTML = sMinV.toFixed(1) + 'G'
     }
+
+    // Update label
     settingsMinRAMLabel.innerHTML = sMinV.toFixed(1) + 'G'
 }
 
+// Bind on change event for max memory container.
 settingsMaxRAMRange.onchange = (e) => {
+    // Current range values
     const sMaxV = Number(settingsMaxRAMRange.getAttribute('value'))
     const sMinV = Number(settingsMinRAMRange.getAttribute('value'))
+
+    // Get reference to range bar.
     const bar = e.target.getElementsByClassName('rangeSliderBar')[0]
+    // Calculate effective total memory.
     const max = (os.totalmem()-1000000000)/1000000000
+
+    // Change range bar color based on the selected value.
     if(sMaxV >= max/2){
         bar.style.background = '#e86060'
     } else if(sMaxV >= max/4) {
@@ -414,6 +451,8 @@ settingsMaxRAMRange.onchange = (e) => {
     } else {
         bar.style.background = null
     }
+
+    // Decrease the minimum memory if the maximum value is less.
     if(sMaxV < sMinV){
         const sliderMeta = calculateRangeSliderMeta(settingsMaxRAMRange)
         updateRangedSlider(settingsMinRAMRange, sMaxV,
@@ -423,21 +462,12 @@ settingsMaxRAMRange.onchange = (e) => {
     settingsMaxRAMLabel.innerHTML = sMaxV.toFixed(1) + 'G'
 }
 
-settingsJavaExecSel.onchange = (e) => {
+/**
-    settingsJavaExecVal.value = settingsJavaExecSel.files[0].path
+ * Calculate common values for a ranged slider.
-    populateJavaExecDetails(settingsJavaExecVal.value)
+ * 
-}
+ * @param {Element} v The range slider to calculate against. 
-
+ * @returns {Object} An object with meta values for the provided ranged slider.
-function populateJavaExecDetails(execPath){
+ */
-    AssetGuard._validateJavaBinary(execPath).then(v => {
-        if(v.valid){
-            settingsJavaExecDetails.innerHTML = `Selected: Java ${v.version.major} Update ${v.version.update} (x${v.arch})`
-        } else {
-            settingsJavaExecDetails.innerHTML = 'Invalid Selection'
-        }
-    })
-}
-
 function calculateRangeSliderMeta(v){
     const val = {
         max: Number(v.getAttribute('max')),
@@ -449,30 +479,46 @@ function calculateRangeSliderMeta(v){
     return val
 }
 
+/**
+ * Binds functionality to the ranged sliders. They're more than
+ * just divs now :').
+ */
 function bindRangeSlider(){
     Array.from(document.getElementsByClassName('rangeSlider')).map((v) => {
+
+        // Reference the track (thumb).
         const track = v.getElementsByClassName('rangeSliderTrack')[0]
 
+        // Set the initial slider value.
         const value = v.getAttribute('value')
         const sliderMeta = calculateRangeSliderMeta(v)
-        updateRangedSlider(v, value, 
-            ((value-sliderMeta.min)/sliderMeta.step)*sliderMeta.inc)
 
+        updateRangedSlider(v, value, ((value-sliderMeta.min)/sliderMeta.step)*sliderMeta.inc)
+
+        // The magic happens when we click on the track.
         track.onmousedown = (e) => {
 
+            // Stop moving the track on mouse up.
             document.onmouseup = (e) => {
                 document.onmousemove = null
                 document.onmouseup = null
             }
 
+            // Move slider according to the mouse position.
             document.onmousemove = (e) => {
+
+                // Distance from the beginning of the bar in pixels.
                 const diff = e.pageX - v.offsetLeft - track.offsetWidth/2
                 
+                // Don't move the track off the bar.
                 if(diff >= 0 && diff <= v.offsetWidth-track.offsetWidth/2){
 
+                    // Convert the difference to a percentage.
                     const perc = (diff/v.offsetWidth)*100
+                    // Calculate the percentage of the closest notch.
                     const notch = Number(perc/sliderMeta.inc).toFixed(0)*sliderMeta.inc
 
+                    // If we're close to that notch, stick to it.
                     if(Math.abs(perc-notch) < sliderMeta.inc/2){
                         updateRangedSlider(v, sliderMeta.min+(sliderMeta.step*(notch/sliderMeta.inc)), notch)
                     }
@@ -482,18 +528,29 @@ function bindRangeSlider(){
     }) 
 }
 
+/**
+ * Update a ranged slider's value and position.
+ * 
+ * @param {Element} element The ranged slider to update.
+ * @param {string | number} value The new value for the ranged slider.
+ * @param {number} notch The notch that the slider should now be at.
+ */
 function updateRangedSlider(element, value, notch){
     const oldVal = element.getAttribute('value')
     const bar = element.getElementsByClassName('rangeSliderBar')[0]
     const track = element.getElementsByClassName('rangeSliderTrack')[0]
+    
     element.setAttribute('value', value)
+
     const event = new MouseEvent('change', {
         target: element,
         type: 'change',
         bubbles: false,
         cancelable: true
     })
+
     let cancelled = !element.dispatchEvent(event)
+
     if(!cancelled){
         track.style.left = notch + '%'
         bar.style.width = notch + '%'
@@ -502,14 +559,42 @@ function updateRangedSlider(element, value, notch){
     }
 }
 
-function bindMemoryStatus(){
+/**
+ * Display the total and available RAM.
+ */
+function populateMemoryStatus(){
     settingsMemoryTotal.innerHTML = Number((os.totalmem()-1000000000)/1000000000).toFixed(1) + 'G'
     settingsMemoryAvail.innerHTML = Number(os.freemem()/1000000000).toFixed(1) + 'G'
 }
 
+// Bind the executable file input to the display text input.
+settingsJavaExecSel.onchange = (e) => {
+    settingsJavaExecVal.value = settingsJavaExecSel.files[0].path
+    populateJavaExecDetails(settingsJavaExecVal.value)
+}
+
+/**
+ * Validate the provided executable path and display the data on
+ * the UI.
+ * 
+ * @param {string} execPath The executable path to populate against.
+ */
+function populateJavaExecDetails(execPath){
+    AssetGuard._validateJavaBinary(execPath).then(v => {
+        if(v.valid){
+            settingsJavaExecDetails.innerHTML = `Selected: Java ${v.version.major} Update ${v.version.update} (x${v.arch})`
+        } else {
+            settingsJavaExecDetails.innerHTML = 'Invalid Selection'
+        }
+    })
+}
+
+/**
+ * Prepare the Java tab for display.
+ */
 function prepareJavaTab(){
     bindRangeSlider()
-    bindMemoryStatus()
+    populateMemoryStatus()
 }
 
 

app/settings.ejs

@@ -140,8 +140,8 @@
                 <div id="settingsJavaExecContent">
                     <div id="settingsJavaExecDetails">Selected: Java 8 Update 172 (x64)</div>
                     <div id="settingsJavaExecActions">
-                        <div id="settingsJavaExecIcon">
+                        <div class="settingsJavaIcon">
-                            <svg id="settingsJavaExecSVG" x="0px" y="0px" viewBox="0 0 305.001 305.001">
+                            <svg class="settingsJavaIconSVG" x="0px" y="0px" viewBox="0 0 305.001 305.001">
                                 <g>
                                     <path d="M150.99,56.513c-14.093,9.912-30.066,21.147-38.624,39.734c-14.865,32.426,30.418,67.798,32.353,69.288c0.45,0.347,0.988,0.519,1.525,0.519c0.57,0,1.141-0.195,1.605-0.583c0.899-0.752,1.154-2.029,0.614-3.069c-0.164-0.316-16.418-31.888-15.814-54.539c0.214-7.888,11.254-16.837,22.942-26.312c10.705-8.678,22.839-18.514,29.939-30.02c15.586-25.327-1.737-50.231-1.914-50.479c-0.688-0.966-1.958-1.317-3.044-0.84c-1.085,0.478-1.686,1.652-1.438,2.811c0.035,0.164,3.404,16.633-5.97,33.6C169.301,43.634,160.816,49.603,150.99,56.513z"></path>
                                     <path d="M210.365,67.682c0.994-0.749,1.286-2.115,0.684-3.205c-0.602-1.09-1.913-1.571-3.077-1.129c-2.394,0.91-58.627,22.585-58.627,48.776c0,18.053,7.712,27.591,13.343,34.556c2.209,2.731,4.116,5.09,4.744,7.104c1.769,5.804-2.422,16.294-4.184,19.846c-0.508,1.022-0.259,2.259,0.605,3.005c0.467,0.403,1.05,0.607,1.634,0.607c0.497,0,0.996-0.148,1.427-0.448c0.967-0.673,23.63-16.696,19.565-36.001c-1.514-7.337-5.12-12.699-8.302-17.43c-4.929-7.329-8.489-12.624-3.088-22.403C181.419,89.556,210.076,67.899,210.365,67.682z"></path>
@@ -161,6 +161,27 @@
                 </div>
                 <div id="settingsJavaExecDesc">The Java executable is validated before game launch. <strong>Requires Java 8 x64.</strong><br>The path should end with <strong>bin<%= process.platform === 'win32' ? '\\javaw.exe' : '/java' %></strong>.</div>
             </div>
+            <div id="settingsJVMOptsContainer">
+                <div id="settingsJVMOptsTitle">Additional JVM Options</div>
+                <div id="settingsJVMOptsContent">
+                    <div class="settingsJavaIcon">
+                        <svg class="settingsJavaIconSVG" x="0px" y="0px" viewBox="0 0 305.001 305.001">
+                            <g>
+                                <path d="M150.99,56.513c-14.093,9.912-30.066,21.147-38.624,39.734c-14.865,32.426,30.418,67.798,32.353,69.288c0.45,0.347,0.988,0.519,1.525,0.519c0.57,0,1.141-0.195,1.605-0.583c0.899-0.752,1.154-2.029,0.614-3.069c-0.164-0.316-16.418-31.888-15.814-54.539c0.214-7.888,11.254-16.837,22.942-26.312c10.705-8.678,22.839-18.514,29.939-30.02c15.586-25.327-1.737-50.231-1.914-50.479c-0.688-0.966-1.958-1.317-3.044-0.84c-1.085,0.478-1.686,1.652-1.438,2.811c0.035,0.164,3.404,16.633-5.97,33.6C169.301,43.634,160.816,49.603,150.99,56.513z"></path>
+                                <path d="M210.365,67.682c0.994-0.749,1.286-2.115,0.684-3.205c-0.602-1.09-1.913-1.571-3.077-1.129c-2.394,0.91-58.627,22.585-58.627,48.776c0,18.053,7.712,27.591,13.343,34.556c2.209,2.731,4.116,5.09,4.744,7.104c1.769,5.804-2.422,16.294-4.184,19.846c-0.508,1.022-0.259,2.259,0.605,3.005c0.467,0.403,1.05,0.607,1.634,0.607c0.497,0,0.996-0.148,1.427-0.448c0.967-0.673,23.63-16.696,19.565-36.001c-1.514-7.337-5.12-12.699-8.302-17.43c-4.929-7.329-8.489-12.624-3.088-22.403C181.419,89.556,210.076,67.899,210.365,67.682z"></path>
+                                <path d="M63.99,177.659c-0.964,2.885-0.509,5.75,1.315,8.283c6.096,8.462,27.688,13.123,60.802,13.123c0.002,0,0.003,0,0.004,0c4.487,0,9.224-0.088,14.076-0.262c52.943-1.896,72.58-18.389,73.39-19.09c0.883-0.764,1.119-2.037,0.57-3.067c-0.549-1.029-1.733-1.546-2.864-1.235c-18.645,5.091-53.463,6.898-77.613,6.898c-27.023,0-40.785-1.946-44.154-3.383c1.729-2.374,12.392-6.613,25.605-9.212c1.263-0.248,2.131-1.414,2.006-2.695c-0.125-1.281-1.201-2.258-2.488-2.258C106.893,164.762,68.05,165.384,63.99,177.659z"></path>
+                                <path d="M241.148,160.673c-10.92,0-21.275,5.472-21.711,5.705c-1.01,0.541-1.522,1.699-1.245,2.811c0.278,1.111,1.277,1.892,2.423,1.893c0.232,0.001,23.293,0.189,25.382,13.365c1.85,11.367-21.82,29.785-31.097,35.923c-1.002,0.663-1.391,1.945-0.926,3.052c0.395,0.943,1.314,1.533,2.304,1.533c0.173,0,0.348-0.018,0.522-0.056c2.202-0.47,53.855-11.852,48.394-41.927C261.862,164.541,250.278,160.673,241.148,160.673z"></path>
+                                <path d="M205.725,216.69c0.18-0.964-0.221-1.944-1.023-2.506l-12.385-8.675c-0.604-0.423-1.367-0.556-2.076-0.368c-0.129,0.034-13.081,3.438-31.885,5.526c-7.463,0.837-15.822,1.279-24.175,1.279c-18.799,0-31.091-2.209-32.881-3.829c-0.237-0.455-0.162-0.662-0.12-0.777c0.325-0.905,2.068-1.98,3.192-2.405c1.241-0.459,1.91-1.807,1.524-3.073c-0.385-1.266-1.69-2.012-2.978-1.702c-12.424,2.998-18.499,7.191-18.057,12.461c0.785,9.343,22.428,14.139,40.725,15.408c2.631,0.18,5.477,0.272,8.456,0.272c0.002,0,0.003,0,0.005,0c30.425,0,69.429-9.546,69.819-9.643C204.818,218.423,205.544,217.654,205.725,216.69z"></path>
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