LT-253: Creating dynamic form components

Packages/ohif-core/components/base/component.js

@@ -0,0 +1,49 @@
+import { OHIF } from 'meteor/ohif:core';
+
+/*
+ * Base component to template instances of all dynamic components
+ */
+class Component {
+
+    // Set up the component
+    constructor(templateInstance) {
+        // Store the component in the current view
+        templateInstance.view._component = this;
+
+        // Create an object to register section's content
+        templateInstance.sections = {};
+
+        // Store the template instance in the component
+        this.templateInstance = templateInstance;
+
+        // Store the component's registered sub-components
+        this.registeredItems = new Set();
+    }
+
+    // Self register the component in its first parent component
+    registerSelf() {
+        const parent = OHIF.blaze.getParentComponent(this.templateInstance.view);
+        if (parent) {
+            // Store this component's parent in a property
+            this.parent = parent;
+
+            // Add this component in its parent's registered items list
+            parent.registeredItems.add(this);
+        }
+    }
+
+    // Self unregister the component in its first parent component
+    unregisterSelf() {
+        const parent = OHIF.blaze.getParentComponent(this.templateInstance.view);
+        if (parent) {
+            // Remove the parent property from this component
+            delete this.parent;
+
+            // Remove this component from its parent's registered items list
+            parent.registeredItems.delete(this);
+        }
+    }
+
+}
+
+OHIF.Component = Component;

Packages/ohif-core/components/base/index.js

@@ -0,0 +1,26 @@
+// Core files
+import './component.js';
+import './mixin.js';
+import './template.js';
+
+// Mixins
+import './mixins/component.js';
+import './mixins/form.js';
+import './mixins/formItem.js';
+import './mixins/group.js';
+import './mixins/groupRadio.js';
+import './mixins/input.js';
+import './mixins/schemaData.js';
+import './mixins/select.js';
+import './mixins/select2.js';
+
+// Templates
+import './templates/custom.html';
+import './templates/div.html';
+import './templates/form.html';
+import './templates/input.html';
+import './templates/select.html';
+
+// wrappers
+import './wrappers/label.html';
+import './wrappers/title.html';

Packages/ohif-core/components/base/mixin.js

@@ -0,0 +1,126 @@
+import { OHIF } from 'meteor/ohif:core';
+import { _ } from 'meteor/underscore';
+
+// Create an object to store all the application mixins
+OHIF.mixins = {};
+
+// Class to manage new mixins and its dependencies
+class Mixin {
+
+    // Create the mixin instance
+    constructor({ dependencies, composition }) {
+        // Store the mixin dependencies
+        this.dependencies = dependencies || '';
+
+        // Store the mixin composition
+        this.composition = composition;
+    }
+
+    // Initialize the mixin applying all its composition functions
+    init(template, data, applied, behaviors) {
+        const dependenciesArray = this.dependencies.split(' ');
+        _.each(dependenciesArray, dependency => {
+            // Go to next dependency if the current dependency string is blank
+            if (!dependency) {
+                return;
+            }
+
+            // Get the dependent mixin to be initizalized
+            const mixin = Mixin.getMixin(dependency);
+
+            // Initizalize the mixin dependencies recursively
+            mixin.init(template, data, applied, behaviors);
+        });
+
+        // Apply the mixin's composition behaviors to the template
+        this.apply(template, data, applied, behaviors);
+    }
+
+    // Add the mixin's composition behaviors to the template
+    apply(template, data, applied, behaviors) {
+        // Ignore if the mixin was already applied to the template
+        if (_.contains(applied, this)) {
+            return;
+        }
+
+        // Store the mixin's composition
+        const composition = this.composition;
+
+        // Iterate over each behavior
+        _.each(behaviors, behavior => {
+            // Execute something only after all the mixins are done
+            let functionName = behavior;
+            if (functionName === 'onMixins') {
+                functionName = 'onRendered';
+            }
+
+            if (behavior === 'onData' && composition[behavior]) {
+                // If it's just data manipulation, call it immediately
+                composition[behavior](data);
+            } else if (composition[behavior]) {
+                // Register the behavior in the template
+                template[functionName](composition[behavior]);
+            }
+        });
+
+        // Set the current mixin's state as applied
+        applied.push(this);
+    }
+
+    // Initialize all data manipulation mixins
+    static initData(data) {
+        // Split the mixins by space
+        const mixinsArray = data.mixins.split(' ');
+        _.each(mixinsArray, mixinName => {
+            // Ignore blank strings
+            if (!mixinName) {
+                return;
+            }
+
+            // Get the current mixin
+            const mixin = Mixin.getMixin(mixinName);
+
+            // Initialize the data manipulation composition
+            mixin.init(null, data, [], ['onData']);
+        });
+    }
+
+    // Initialize all the template's mixins
+    static initAll(template, data) {
+        // Split the mixins by space
+        const mixinsArray = data.mixins.split(' ');
+        _.each(mixinsArray, mixinName => {
+            // Ignore blank strings
+            if (!mixinName) {
+                return;
+            }
+
+            // Get the current mixin
+            const mixin = Mixin.getMixin(mixinName);
+
+            // Initialize blaze default compositions
+            mixin.init(template, data, [], ['onCreated', 'onRendered', 'onDestroyed', 'events', 'helpers']);
+
+            // Execute some behaviors after all mixins are applied
+            mixin.init(template, data, [], ['onMixins']);
+        });
+    }
+
+    // Get a mixin by name
+    static getMixin(mixinName) {
+        // Get the mixin from mixins object
+        const mixin = OHIF.mixins[mixinName];
+
+        // Throw an error if the mixin does not exists
+        if (!mixin) {
+            throw new Error(`Mixin ${mixinName} not found.`);
+        }
+
+        // Return the found mixin
+        return mixin;
+    }
+
+}
+
+// Store the Mixin class inside the shared OHIF object
+OHIF.Mixin = Mixin;

Packages/ohif-core/components/base/mixins/component.js

@@ -0,0 +1,16 @@
+import { OHIF } from 'meteor/ohif:core';
+import { Template } from 'meteor/templating';
+
+/*
+ * component: create the base structure to aplly specific component mixins
+ */
+OHIF.mixins.component = new OHIF.Mixin({
+    composition: {
+        onCreated() {
+            const instance = Template.instance();
+
+            // Declare a property that will be shared among all dependent mixins
+            instance.component = new OHIF.Component(this);
+        }
+    }
+});

Packages/ohif-core/components/base/mixins/form.js

@@ -0,0 +1,50 @@
+import { OHIF } from 'meteor/ohif:core';
+import { Template } from 'meteor/templating';
+
+/*
+ * form: controls a form and its registered inputs
+ */
+OHIF.mixins.form = new OHIF.Mixin({
+    dependencies: 'group',
+    composition: {
+        onCreated() {
+            const instance = Template.instance();
+            const component = instance.component;
+
+            // Define the form's data schema
+            const schema = instance.data.schema;
+            component.schema = schema && schema.newContext();
+
+            // Check if the form data is valid in its schema
+            component.validate = () => {
+                // Assume validation result as true
+                let result = true;
+
+                // Return true if there's no data schema defined
+                if (!component.schema) {
+                    return result;
+                }
+
+                // Iterate over each registered form item and validate it
+                component.registeredItems.forEach(child => {
+                    const key = child.templateInstance.data.key;
+
+                    // Change result to false if any form item is invalid
+                    if (key && !child.validate()) {
+                        result = false;
+                    }
+                });
+
+                // Return the validation result
+                return result;
+            };
+        },
+        onRendered() {
+            const instance = Template.instance();
+            const component = instance.component;
+
+            // Set the component main and style elements
+            component.$style = component.$element = instance.$('form').first();
+        }
+    }
+});

Packages/ohif-core/components/base/mixins/formItem.js

@@ -0,0 +1,154 @@
+import { OHIF } from 'meteor/ohif:core';
+import { Template } from 'meteor/templating';
+import { _ } from 'meteor/underscore';
+import { $ } from 'meteor/jquery';
+
+/*
+ * formItem: create a generic controller for form items
+ * It may be used to manage all components that belong to forms
+ */
+OHIF.mixins.formItem = new OHIF.Mixin({
+    dependencies: 'component',
+    composition: {
+
+        onCreated() {
+            const instance = Template.instance();
+            const component = instance.component;
+
+            // Register the component in the parent component
+            component.registerSelf();
+
+            // Declare the component elements that will be manipulated
+            component.$element = $();
+            component.$style = $();
+            component.$wrapper = $();
+
+            // Get or set the component's value using jQuery's val method
+            component.value = value => {
+                const isGet = _.isUndefined(value);
+                if (isGet) {
+                    return component.$element.val();
+                }
+
+                component.$element.val(value).trigger('change');
+            };
+
+            // Disable or enable the component
+            component.disable = isDisable => {
+                component.$element.prop('disabled', !!isDisable);
+            };
+
+            // Set or unset component's readonly property
+            component.readonly = isReadonly => {
+                component.$element.prop('readonly', !!isReadonly);
+            };
+
+            // Show or hide the component
+            component.show = isShow => {
+                const method = isShow ? 'show' : 'hide';
+                component.$wrapper[method]();
+            };
+
+            // Add or remove a state from the component
+            component.state = (state, flag) => {
+                component.$wrapper.toggleClass(`state-${state}`, !!flag);
+            };
+
+            // Set the component in error state and display the error message
+            component.error = errorMessage => {
+                // Set the component error state
+                component.state('error', errorMessage);
+
+                // Set or remove the error message
+                if (errorMessage) {
+                    component.$element.trigger('errorin');
+                    component.$wrapper.attr('data-error', errorMessage);
+                } else {
+                    component.$element.trigger('errorout');
+                    component.$wrapper.removeAttr('data-error', errorMessage);
+                }
+            };
+
+            // Check if the component value is valid in its form's schema
+            component.validate = () => {
+                // Get the component's form
+                const form = component.parent;
+
+                // Get the form's data schema
+                const schema = form && form.schema;
+
+                // Get the current component's key
+                const key = instance.data.key;
+
+                // Return true if validation is not needed
+                if (!key || !schema || !component.$wrapper.is(':visible')) {
+                    return true;
+                }
+
+                // Create the data document for validation
+                const document = {
+                    [key]: component.value()
+                };
+
+                // Check if the document validation failed
+                if (!schema.validateOne(document, key)) {
+                    // Set the component in error state and display the message
+                    component.error(schema.keyErrorMessage(key));
+
+                    // Return false for validation
+                    return false;
+                }
+
+                // Remove the component error state and message
+                component.error(false);
+
+                // Return true for validation
+                return true;
+            };
+
+        },
+
+        onRendered() {
+            const instance = Template.instance();
+            const component = instance.component;
+
+            // Set the element to be controlled
+            component.$element = instance.$(':input:first');
+
+            // Set the element to be styled
+            component.$style = component.$element;
+
+            // Set the most outer wrapper element
+            component.$wrapper = instance.wrapper.$('*').first();
+        },
+
+        onDestroyed() {
+            const instance = Template.instance();
+
+            // Register the component in the parent component
+            instance.component.unregisterSelf();
+        },
+
+        onMixins() {
+            const instance = Template.instance();
+            const component = instance.component;
+
+            // Set the component in jQuery data after all mixins are rendered
+            component.$element.data('component', component);
+        },
+
+        events: {
+
+            // TODO: [design] remove log, show error box/hint over the wrapper
+            errorin(event, instance) {
+                console.log('ERROR when validating component', instance.component);
+            },
+
+            // TODO: [design] hide error box/hint
+            errorout(event, instance) {
+            }
+
+        }
+
+    }
+});

Packages/ohif-core/components/base/mixins/group.js

@@ -0,0 +1,50 @@
+import { OHIF } from 'meteor/ohif:core';
+import { Template } from 'meteor/templating';
+import { _ } from 'meteor/underscore';
+
+/*
+ * group: controls a group and its registered items
+ */
+OHIF.mixins.group = new OHIF.Mixin({
+    dependencies: 'formItem',
+    composition: {
+        onCreated() {
+            const instance = Template.instance();
+            const component = instance.component;
+
+            // Get or set the child components values
+            component.value = value => {
+                const isGet = _.isUndefined(value);
+                if (isGet) {
+                    const result = {};
+                    component.registeredItems.forEach(child => {
+                        const key = child.templateInstance.data.key;
+                        if (key) {
+                            result[key] = child.value();
+                        }
+                    });
+                    return result;
+                }
+
+                const groupValue = typeof value === 'object' ? value : {};
+                component.registeredItems.forEach(child => {
+                    const key = child.templateInstance.data.key;
+                    const childValue = _.isUndefined(groupValue[key]) ? null : groupValue[key];
+                    child.value(childValue);
+                });
+                component.$element.trigger('change');
+            };
+
+            // Disable or enable the component
+            component.disable = isDisable => {
+                component.registeredItems.forEach(child => child.disable(isDisable));
+            };
+
+            // Set or unset component's readonly property
+            component.readonly = isReadonly => {
+                component.registeredItems.forEach(child => child.readonly(isReadonly));
+            };
+
+        }
+    }
+});

Packages/ohif-core/components/base/mixins/groupRadio.js

@@ -0,0 +1,30 @@
+import { OHIF } from 'meteor/ohif:core';
+import { Template } from 'meteor/templating';
+import { _ } from 'meteor/underscore';
+
+/*
+ * groupRadio: controls all the radio inputs inside the group
+ */
+OHIF.mixins.groupRadio = new OHIF.Mixin({
+    dependencies: 'group',
+    composition: {
+
+        onCreated() {
+            const instance = Template.instance();
+            const component = instance.component;
+
+            // Get the selected radio's value or select a radio based on value
+            component.value = value => {
+                const isGet = _.isUndefined(value);
+                const $elements = $();
+                component.registeredItems.forEach(child => $elements.add(child.$element));
+                if (isGet) {
+                    return $elements.filter(':checked').val();
+                }
+
+                $elements.filter(`[value='${value}']`).prop('checked', true).trigger('change');
+            };
+        }
+
+    }
+});

Packages/ohif-core/components/base/mixins/input.js

@@ -0,0 +1,18 @@
+import { OHIF } from 'meteor/ohif:core';
+import { Template } from 'meteor/templating';
+
+/*
+ * input: controls a basic input
+ */
+OHIF.mixins.input = new OHIF.Mixin({
+    dependencies: 'formItem',
+    composition: {
+        onRendered() {
+            const instance = Template.instance();
+            const component = instance.component;
+
+            // Set the element to be controlled
+            component.$element = instance.$('input:first');
+        }
+    }
+});

Packages/ohif-core/components/base/mixins/schemaData.js

@@ -0,0 +1,46 @@
+import { OHIF } from 'meteor/ohif:core';
+import { Blaze } from 'meteor/blaze';
+import { Template } from 'meteor/templating';
+import { _ } from 'meteor/underscore';
+
+/*
+ * schemaData: change the component data based on its form's schema data
+ */
+OHIF.mixins.schemaData = new OHIF.Mixin({
+    dependencies: 'formItem',
+    composition: {
+
+        onData() {
+            const data = Template.currentData();
+
+            const parent = OHIF.blaze.getParentComponent(Blaze.currentView);
+
+            // Get the parent component schema
+            const schema = parent && parent.schema;
+
+            // Get the current component's key
+            const key = data.key;
+
+            // Stop here if there's no key or schema defined
+            if (!key || !schema) {
+                return;
+            }
+
+            // Get the current schema data using component's key
+            const currentSchema = schema._schema[key];
+
+            // Stop here if there's no schema data for current key
+            if (!currentSchema) {
+                return;
+            }
+
+            // Use schema's label if it was not defined
+            if (!data.label) {
+                data.label = new ReactiveVar(currentSchema.label);
+            }
+
+            // TODO: [design] convert allowedValues to items and find a way to get key/value pairs
+        }
+
+    }
+});

Packages/ohif-core/components/base/mixins/select.js

@@ -0,0 +1,18 @@
+import { OHIF } from 'meteor/ohif:core';
+import { Template } from 'meteor/templating';
+
+/*
+ * input: controls a basic select
+ */
+OHIF.mixins.select = new OHIF.Mixin({
+    dependencies: 'formItem',
+    composition: {
+        onRendered() {
+            const instance = Template.instance();
+            const component = instance.component;
+
+            // Set the element to be controlled
+            component.$element = instance.$('select:first');
+        }
+    }
+});

Packages/ohif-core/components/base/mixins/select2.js

@@ -0,0 +1,18 @@
+import { OHIF } from 'meteor/ohif:core';
+import { Template } from 'meteor/templating';
+
+/*
+ * input: controls a select2 component
+ */
+OHIF.mixins.select2 = new OHIF.Mixin({
+    dependencies: 'select',
+    composition: {
+        onRendered() {
+            const instance = Template.instance();
+            const component = instance.component;
+
+            // Set the element to be controlled
+            component.$element = instance.$('select:first');
+        }
+    }
+});

Packages/ohif-core/components/base/template.js

@@ -0,0 +1,106 @@
+import { OHIF } from 'meteor/ohif:core';
+import { _ } from 'meteor/underscore';
+
+// Create a new custom template for the base component
+Template.baseComponent = new Template('baseComponent', () => {});
+
+// Inject some custom behaviors in the  view's construction function
+Template.baseComponent.constructView = function(contentFunc, elseFunc) {
+    // Get the data passed to the template
+    const data = Template.currentData();
+
+    // Check the base template. If it's not informed set as the custom base
+    data.base || (data.base = 'baseCustom');
+
+    // Get the base template object
+    const baseTemplate = Template[data.base];
+
+    // Throw an error if the base template does not exists
+    if (!baseTemplate) {
+        throw new Error(`Template ${data.base} not found.`);
+    }
+
+    // Declare the template object and name it as base name + 'Component'
+    const template = OHIF.blaze.cloneTemplate(baseTemplate, data.base + 'Component');
+
+    // Extract the render function from the base template
+    template.renderFunction = baseTemplate.renderFunction;
+
+    // Check for the mixins. If it's not informed set the lowest level mixin
+    const mixins = data.mixins || 'component';
+
+    // Init the data manipulation mixins
+    OHIF.Mixin.initData(data);
+
+    // Create and fill a list of wrappers that will enclose the component
+    const wrappers = [];
+    if (data.wrappers) {
+        const wrappersList = data.wrappers.split(' ');
+        _.each(wrappersList, wrapper => wrapper && wrappers.push(wrapper));
+    }
+
+    // Declare a variable to store the wrapper instances that will be rendered
+    const wrapperInstances = [];
+
+    // Declare the content function to render the component
+    let contentFunction = () => {
+        // Create the most inner content function
+        const innerContentFunction = () => {
+            // Assign properties to all wrappers after template's creation
+            template.onCreated(() => {
+                const instance = Template.instance();
+
+                // Assign the template most outer wrapper
+                instance.wrapper = wrapperInstances[0] || instance;
+
+                // Iterate over all wrappers and assign the component to them
+                wrapperInstances.forEach(wrappeInstance => {
+                    wrappeInstance.component = instance.component;
+                });
+            });
+
+            // Return the view instance
+            return template.constructView(contentFunc, elseFunc);
+        };
+
+        // Apply the mixins to the component
+        OHIF.Mixin.initAll(template, data);
+
+        // Return the recursive function for wrappers
+        return Blaze.With(data, innerContentFunction);
+    };
+
+    let wrapper;
+    while (wrapper = wrappers.shift()) {
+        // Get the wrapper template
+        const wrapperTemplate = Template[wrapper];
+
+        // Throw an error if the wrapper template does not exists
+        if (!wrapperTemplate) {
+            throw new Error(`Template ${data.base} not found.`);
+        }
+
+        // Clone the wrapper template to avoid assigning duplicated handlers
+        const currentTemplate = OHIF.blaze.cloneTemplate(wrapperTemplate);
+
+        // Store the child content function to render it inside the wrapper
+        const childContentFunction = contentFunction;
+
+        // Create a function that will enable the recursion for wrappers
+        const enclosingContentFunction = () => {
+            // Add the current wrapper's instance to the wrapper instances list
+            currentTemplate.onCreated(() => wrapperInstances.push(Template.instance()));
+
+            // Return the wrapper view instance with its child as content
+            return currentTemplate.constructView(childContentFunction, elseFunc);
+        };
+
+        // Replace the content function enclosing it recursively
+        contentFunction = () => {
+            return Blaze.With(data, enclosingContentFunction);
+        };
+
+    }
+
+    return contentFunction(contentFunc, elseFunc);
+};

Packages/ohif-core/components/base/templates/custom.html

@@ -0,0 +1,3 @@
+<template name="baseCustom">
+    {{>UI.contentBlock}}
+</template>

Packages/ohif-core/components/base/templates/div.html

@@ -0,0 +1,9 @@
+<template name="baseDiv">
+    <div
+        id="{{this.id}}"
+        class="{{this.class}}"
+        {{this.tagAttributes}}
+    >
+        {{>UI.contentBlock}}
+    </div>
+</template>

Packages/ohif-core/components/base/templates/form.html

@@ -0,0 +1,16 @@
+<template name="baseForm">
+    <form
+        id="{{this.id}}"
+        class="{{this.class}}"
+        name="{{this.name}}"
+        action="{{this.action}}"
+        method="{{this.method}}"
+        autocomplete="{{this.autocomplete}}"
+        enctype="{{this.enctype}}"
+        novalidate="{{this.novalidate}}"
+        target="{{this.target}}"
+        {{this.tagAttributes}}
+    >
+        {{>UI.contentBlock}}
+    </form>
+</template>

Packages/ohif-core/components/base/templates/input.html

@@ -0,0 +1,11 @@
+<template name="baseInput">
+    <input
+        type="{{choose this.type 'text'}}"
+        id="{{this.id}}"
+        class="{{this.class}}"
+        name="{{this.name}}"
+        value="{{reactive this.value}}"
+        {{this.tagAttributes}}
+    >
+    {{>UI.contentBlock}}
+</template>

Packages/ohif-core/components/base/templates/select.html

@@ -0,0 +1,16 @@
+<template name="baseSelect">
+    <select
+        id="{{this.id}}"
+        class="{{this.class}}"
+        name="{{this.name}}"
+        {{this.tagAttributes}}
+    >
+        {{>UI.contentBlock}}
+        {{#each item in (reactive this.items)}}
+            <option
+                value="{{item.value}}"
+                selected="{{#if eq item.value (reactive this.value)}}selected{{/if}}"
+            >{{item.label}}</option>
+        {{/each}}
+    </select>
+</template>

Packages/ohif-core/components/base/wrappers/label.html

@@ -0,0 +1,11 @@
+<template name="wrapperLabel">
+    <label class="wrapperLabel {{this.labelClass}}">
+        {{#if this.labelAfter}}
+            {{>UI.contentBlock}}
+        {{/if}}
+        <span class="wrapperLabelText">{{reactive this.label}}</span>
+        {{#unless this.labelAfter}}
+            {{>UI.contentBlock}}
+        {{/unless}}
+    </label>
+</template>

Packages/ohif-core/components/base/wrappers/title.html

@@ -0,0 +1,11 @@
+<template name="wrapperTitle">
+    <div class="wrapperTitle {{this.labelClass}}">
+        {{#if this.labelAfter}}
+            {{>UI.contentBlock}}
+        {{/if}}
+        <span class="wrapperTitleText">{{reactive this.label}}</span>
+        {{#unless this.labelAfter}}
+            {{>UI.contentBlock}}
+        {{/unless}}
+    </div>
+</template>

Packages/ohif-core/components/bootstrap/form/form.html

@@ -0,0 +1,8 @@
+<template name="form">
+    {{#baseComponent (extend this
+        base="baseForm"
+        mixins=(concat "form " this.mixins)
+    )}}
+      {{>UI.contentBlock}}
+    {{/baseComponent}}
+</template>

Packages/ohif-core/components/bootstrap/form/group.html

@@ -0,0 +1,8 @@
+<template name="group">
+    {{#baseComponent (extend this
+        base="baseDiv"
+        mixins=(concat "group " this.mixins)
+    )}}
+      {{>UI.contentBlock}}
+    {{/baseComponent}}
+</template>

Packages/ohif-core/components/bootstrap/index.js

@@ -0,0 +1,7 @@
+import './form/form.html';
+import './form/group.html';
+
+import './input/groupRadio.html';
+import './input/radio.html';
+import './input/select.html';
+import './input/text.html';

Packages/ohif-core/components/bootstrap/input/groupRadio.html

@@ -0,0 +1,20 @@
+<template name="groupRadio">
+    {{#group (extend this
+        class=(concat 'form-group ' this.class)
+        wrappers=(concat ''
+            this.wrappers
+            (valueIf reactive this.label 'wrapperTitle ' '')
+        )
+    )}}
+        {{>UI.contentBlock}}
+        {{#each item in (reactive this.items)}}
+            {{>inputRadio
+                class=this.radioClass
+                name=this.key
+                value=item.value
+                label=item.label
+                checked=(eq item.value (reactive this.value))
+            }}
+        {{/each}}
+    {{/group}}
+</template>

Packages/ohif-core/components/bootstrap/input/radio.html

@@ -0,0 +1,14 @@
+<template name="inputRadio">
+    {{#baseComponent (extend this
+        base='baseInput'
+        mixins=(concat 'input ' this.mixins)
+        labelAfter=(valueIf (isDefined this.labelAfter) this.labelAfter true)
+        labelClass=(concat 'checkboxLabel' this.labelClass)
+        wrappers=(concat ''
+            this.wrappers
+            (valueIf reactive this.label 'wrapperLabel ' '')
+        )
+    )}}
+        {{>UI.contentBlock}}
+    {{/baseComponent}}
+</template>

Packages/ohif-core/components/bootstrap/input/select.html

@@ -0,0 +1,13 @@
+<template name="inputSelect">
+    {{#baseComponent (extend this
+        base='baseSelect'
+        class=(concat 'form-control ' this.class)
+        mixins=(concat 'select ' this.mixins)
+        wrappers=(concat ''
+            this.wrappers
+            (valueIf reactive this.label 'wrapperLabel ' '')
+        )
+    )}}
+        {{>UI.contentBlock}}
+    {{/baseComponent}}
+</template>

Packages/ohif-core/components/bootstrap/input/text.html

@@ -0,0 +1,13 @@
+<template name="inputText">
+    {{#baseComponent (extend this
+        base='baseInput'
+        class=(concat 'form-control ' this.class)
+        mixins=(concat 'input ' this.mixins)
+        wrappers=(concat ''
+            this.wrappers
+            (valueIf reactive this.label 'wrapperLabel ' '')
+        )
+    )}}
+        {{>UI.contentBlock}}
+    {{/baseComponent}}
+</template>

Packages/ohif-core/components/index.js

@@ -0,0 +1,2 @@
+import './base';
+import './bootstrap';

Packages/ohif-core/helpers/blaze.js

@@ -0,0 +1,26 @@
+import { Template } from 'meteor/templating';
+import { Session } from 'meteor/session';
+import { ReactiveVar } from 'meteor/reactive-var';
+
+/**
+ * Global Blaze UI helpers to work with Blaze
+ */
+
+// Return the current template instance
+Template.registerHelper('instance', () => {
+    return Template.instance();
+});
+
+// Return the session value for the given key
+Template.registerHelper('session', key => {
+    return Session.get(key);
+});
+
+// Return the value for given parameter regardless if it's reactive or not
+Template.registerHelper('reactive', parameter => {
+    if (parameter instanceof ReactiveVar) {
+        return parameter.get();
+    }
+
+    return parameter;
+});

Packages/ohif-core/helpers/data.js

@@ -0,0 +1,59 @@
+import { _ } from 'meteor/underscore';
+import { Template } from 'meteor/templating';
+
+/**
+ * Global Blaze UI helpers to manipulate data
+ */
+
+// Base extend function to be used by extend and clone helpers
+const extend = (...argsArray) => {
+    // Create the resulting object
+    const result = argsArray[0] || {};
+
+    // Extract the Spacebars kw hash
+    const kwHash = _.last(argsArray).hash;
+
+    // Extract the given objects
+    const objects = _.initial(argsArray);
+
+    // Iterate over the given objects
+    _.each(objects, current => {
+        // Stop here if the current argument is not an object
+        if (typeof current !== 'object') {
+            return;
+        }
+
+        // Extend the resulting object with the current argument object
+        _.extend(result, current);
+    });
+
+    // Extend the resulting object with the Spacebars kw hash
+    _.extend(result, kwHash);
+
+    // Return the resulting object
+    return result;
+};
+
+// Extend the first argument object it with the other argument objects
+Template.registerHelper('extend', (...argsArray) => {
+    return extend(...argsArray);
+});
+
+// Create a new object and extends it with the argument objects
+Template.registerHelper('clone', (...argsArray) => {
+    const newArgs = argsArray.slice();
+    newArgs.unshift({});
+    return extend(...newArgs);
+});
+
+// Return the first thrut value in the given arguments
+Template.registerHelper('choose', (...argsArray) => {
+    // Iterate over the given objects
+    for (let i = 0; i < argsArray.length; i++) {
+        // Check if the current value is truth
+        if (!!argsArray[i]) {
+            // Return the current value
+            return argsArray[i];
+        }
+    }
+});

Packages/ohif-core/helpers/index.js

@@ -0,0 +1,4 @@
+import './blaze';
+import './data';
+import './logical';
+import './string';

Packages/ohif-core/helpers/logical.js

@@ -0,0 +1,81 @@
+import { _ } from 'meteor/underscore';
+import { Template } from 'meteor/templating';
+
+/**
+ * Global Blaze UI helpers to work with logical operations
+ */
+
+// Convert any value into a boolean value
+Template.registerHelper('bool', value => {
+    return !!value;
+});
+
+// Check if two values are identical
+Template.registerHelper('eq', (a, b) => {
+    return a === b;
+});
+
+// Check if two values are different
+Template.registerHelper('ne', (a, b) => {
+    return a === b;
+});
+
+// Check if the first value is greater than the second one
+Template.registerHelper('gt', (a, b) => {
+    return a > b;
+});
+
+// Check if the first value is lesser than the second one
+Template.registerHelper('lt', (a, b) => {
+    return a < b;
+});
+
+// Check if the first value is greater than or equals the second one
+Template.registerHelper('gte', (a, b) => {
+    return a >= b;
+});
+
+// Check if the first value is lesser than or equals the second one
+Template.registerHelper('lte', (a, b) => {
+    return a <= b;
+});
+
+// Get the boolean negation for the given value
+Template.registerHelper('not', value => {
+    return !value;
+});
+
+// Check if all the given values are true
+Template.registerHelper('and', (...values) => {
+    let result = true;
+    _.each(_.initial(values, 1), value => value || (result = false));
+    return result;
+});
+
+// Check if one of the given values is true
+Template.registerHelper('or', (...values) => {
+    let result = false;
+    _.each(_.initial(values, 1), value => value && (result = true));
+    return result;
+});
+
+// Choose the first truthy value in the given values
+Template.registerHelper('choose', (...values) => {
+    let result;
+    _.each(_.initial(values, 1), value => value && (result = value));
+    return result;
+});
+
+// Return the second parameter if the first is true or the third if it's false
+Template.registerHelper('valueIf', (condition, valueIfTrue, valueIfFalse) => {
+    if (condition) {
+        return valueIfTrue;
+    }
+
+    return valueIfFalse;
+});
+
+// Check if the value is different from undefined
+Template.registerHelper('isDefined', value => {
+    return typeof value !== 'undefined';
+});

Packages/ohif-core/helpers/string.js

@@ -0,0 +1,16 @@
+import { _ } from 'meteor/underscore';
+import { Template } from 'meteor/templating';
+
+/**
+ * Global Blaze UI helpers to work with Strings
+ */
+
+// Concatenate the give strings
+Template.registerHelper('concat', (...args) => {
+    const values = _.initial(args, 1);
+    let result = '';
+    _.each(values, value => {
+        result += value || '';
+    });
+    return result;
+});

Packages/ohif-core/lib/blaze.js

@@ -0,0 +1,42 @@
+import { OHIF } from 'meteor/ohif:core';
+
+OHIF.blaze = {};
+
+// Clone a template and return the clone
+OHIF.blaze.cloneTemplate = (template, newName) => {
+    if (!template){
+        return;
+    }
+
+    const name = newName || template.viewName;
+    const clone = new Template(name, template.renderFunction);
+    clone.inheritsEventsFrom(template);
+    clone.inheritsHelpersFrom(template);
+    clone.inheritsHooksFrom(template);
+    return clone;
+};
+
+// Navigate upwards the component and get the parent with the given view name
+OHIF.blaze.getParentView = (view, parentViewName) => {
+    let currentView = view;
+    while (currentView) {
+        if (currentView.name === parentViewName) {
+            break;
+        }
+
+        currentView = currentView.originalParentView || currentView.parentView;
+    }
+
+    return currentView;
+};
+
+// Search for the parent component of the given view
+OHIF.blaze.getParentComponent = (view) => {
+    let currentView = view;
+    while (currentView) {
+        currentView = currentView.originalParentView || currentView.parentView;
+        if (currentView && currentView._component) {
+            return currentView._component;
+        }
+    }
+};

Packages/ohif-core/lib/index.js

@@ -0,0 +1 @@
+import './blaze.js';

Packages/ohif-core/main.js

@@ -0,0 +1,6 @@
+export { OHIF } from './ohif.js';
+
+import './lib';
+import './components';
+import './helpers';
+import './ui';

Packages/ohif-core/ohif.js

@@ -0,0 +1,11 @@
+/*
+ * Defines the base OHIF object
+ */
+
+const OHIF = {};
+
+if (Meteor.isDevelopment) {
+    window.OHIF = OHIF;
+}
+
+export { OHIF };

Packages/ohif-core/package.js

@@ -0,0 +1,15 @@
+Package.describe({
+    name: 'ohif:core',
+    summary: 'OHIF core components, helpers and UI functions',
+    version: '0.0.1'
+});
+
+Package.onUse(function(api) {
+    api.versionsFrom('1.3.4.1');
+
+    api.use('ecmascript');
+    api.use('standard-app-packages');
+    api.use('jquery');
+
+    api.mainModule('main.js', 'client');
+});

Packages/ohif-core/ui/draggable/draggable.js

@@ -0,0 +1,110 @@
+// Allow attaching to jQuery selectors
+$.fn.draggable = function() {
+    makeDraggable(this);
+    return this;
+};
+
+/**
+ * This function makes an element movable around the page.
+ * It supports mouse and touch input and allows whichever element
+ * is specified to be moved to any arbitrary position.
+ *
+ * @param element
+ */
+makeDraggable = function(element) {
+    var container = $(window);
+    var diffX,
+        diffY;
+
+    function getCursorCoords(e) {
+        var cursor = {
+            x: e.clientX,
+            y: e.clientY
+        };
+
+        // Handle touchMove cases
+        if (cursor.x === undefined) {
+            cursor.x = e.originalEvent.touches[0].pageX;
+        }
+        if (cursor.y === undefined) {
+            cursor.y = e.originalEvent.touches[0].pageY;
+        }
+        return cursor;
+    }
+
+    function startMoving(e) {
+        // Prevent dragging dialog by clicking on slider
+        // (could be extended for buttons, not sure it's necessary
+        if (e.target.type && e.target.type === 'range') {
+            return;
+        }
+
+        var elementTop = parseFloat(element.offset().top),
+            elementLeft = parseFloat(element.offset().left);
+
+        var cursor = getCursorCoords(e);
+        diffX = cursor.x - elementLeft;
+        diffY = cursor.y - elementTop;
+
+        container.css('cursor', 'move');
+        element.css('cursor', 'move');
+
+        element.css({
+            cursor: 'move',
+            left: elementLeft + 'px',
+            top: elementTop + 'px',
+            bottom: 'auto', // Setting these to empty doesn't seem to work in Firefox or Safari
+            right: 'auto'
+        });
+
+        $(document).on('mousemove', moveHandler);
+        $(document).on('mouseup', stopMoving);
+
+        $(document).on('touchmove', moveHandler);
+        $(document).on('touchend', stopMoving);
+    }
+
+    function stopMoving() {
+        container.css('cursor', 'default');
+        element.css('cursor', 'default');
+
+        $(document).off('mousemove', moveHandler);
+        $(document).off('touchmove', moveHandler);
+    }
+
+    function moveHandler(e) {
+        // Prevent dialog box dragging whole page in iOS
+        e.preventDefault();
+
+        var elementWidth = parseFloat(element.outerWidth()),
+            elementHeight = parseFloat(element.outerHeight()),
+            containerWidth = parseFloat(container.width()),
+            containerHeight = parseFloat(container.height());
+
+        var cursor = getCursorCoords(e);
+
+        var elementLeft = cursor.x - diffX;
+        var elementTop = cursor.y - diffY;
+
+        elementLeft = Math.max(elementLeft, 0);
+        elementTop = Math.max(elementTop, 0);
+
+        if (elementLeft + elementWidth > containerWidth) {
+            elementLeft = containerWidth - elementWidth;
+        }
+
+        if (elementTop + elementHeight > containerHeight) {
+            elementTop = containerHeight - elementHeight;
+        }
+
+        element.css({
+            left: elementLeft + 'px',
+            top: elementTop + 'px',
+            bottom: 'auto', // Setting these to empty doesn't seem to work in Firefox or Safari
+            right: 'auto'
+        });
+    }
+
+    element.on('mousedown', startMoving);
+    element.on('touchstart', startMoving);
+};

Packages/ohif-core/ui/index.js

@@ -0,0 +1,2 @@
+import './draggable/draggable.js';
+import './resizable/resizable.js';

Packages/ohif-core/ui/resizable/resizable.js

@@ -0,0 +1,147 @@
+// Allow attaching to jQuery selectors
+$.fn.resizable = function(options) {
+    _.each(this, element => {
+        const resizableInstance = $(element).data('resizableInstance');
+        if (options === 'destroy' && resizableInstance) {
+            $(element).removeData('resizableInstance');
+            resizableInstance.destroy();
+        } else {
+            if (resizableInstance) {
+                resizableInstance.options(options);
+            } else {
+                $(element).data('resizableInstance', new Resizable(element, options));
+            }
+        }
+    });
+
+    return this;
+};
+
+/**
+ * This class makes an element resizable.
+ */
+class Resizable {
+
+    constructor(element, options={}) {
+        this.element = element;
+        this.$element = $(element);
+        this.options(options);
+    }
+
+    options(options={}) {
+        const { boundSize, minWidth, minHeight } = options;
+        this.minWidth = minWidth || this.$element.width() || 16;
+        this.minHeight = minHeight || this.$element.height() || 16;
+        this.boundSize = boundSize || 8;
+
+        this.destroy();
+        this.init();
+    }
+
+    init() {
+        for (var x = -1; x <= 1; x++) {
+            for (var y = -1; y <= 1; y++) {
+                this.createBound(x, y);
+            }
+        }
+
+        this.$element.addClass('resizable');
+    }
+
+    destroy() {
+        this.$element.removeClass('resizable').find('resize-bound').remove();
+    }
+
+    attachEventHandlers($bound, xDirection, yDirection) {
+        const $window = $(window);
+
+        const initResizeHandler = event => {
+            event.stopPropagation();
+
+            this.width = this.initialWidth = this.$element.width();
+            this.height = this.initialHeight = this.$element.height();
+            this.startWidth = this.width;
+            this.startHeight = this.height;
+
+            this.posX = parseInt(this.$element.css('left'));
+            this.posY = parseInt(this.$element.css('top'));
+            this.startPosX = this.posX;
+            this.startPosY = this.posY;
+
+            this.startX = event.clientX;
+            this.startY = event.clientY;
+
+            this.$element.addClass('resizing');
+
+            $window.on('mousemove', resizeHandler);
+            $window.on('mouseup', endResizeHandler);
+        };
+
+        const resizeHandler = event => {
+            let x, y;
+            x = event.clientX < 0 ? 0 : event.clientX;
+            x = x > window.innerWidth ? window.innerWidth : x;
+            y = event.clientY < 0 ? 0 : event.clientY;
+            y = y > window.innerHeight ? window.innerHeight : y;
+
+            const xDistance = (x - this.startX) * xDirection;
+            const yDistance = (y - this.startY) * yDirection;
+
+            const width = xDistance + this.startWidth;
+            const height = yDistance + this.startHeight;
+            this.width = width < this.minWidth ? this.minWidth : width;
+            this.height = height < this.minHeight ? this.minHeight : height;
+            this.$element.width(this.width);
+            this.$element.height(this.height);
+
+            if (xDirection < 0) {
+                this.posX = this.startPosX - xDistance;
+                if (width < this.minWidth) {
+                    this.posX = this.startPosX + (this.startWidth - this.minWidth);
+                }
+
+                this.$element.css('left', `${this.posX}px`);
+            }
+
+            if (yDirection < 0) {
+                this.posY = this.startPosY - yDistance;
+                if (height < this.minHeight) {
+                    this.posY = this.startPosY + (this.startHeight - this.minHeight);
+                }
+
+                this.$element.css('top', `${this.posY}px`);
+            }
+        };
+
+        const endResizeHandler = event => {
+            $window.off('mousemove', resizeHandler);
+            $window.off('mouseup', endResizeHandler);
+
+            this.$element.removeClass('resizing');
+        };
+
+        $bound.on('mousedown', initResizeHandler);
+    }
+
+    createBound(xDirection, yDirection) {
+        if (xDirection === 0 && xDirection === yDirection) {
+            return;
+        }
+
+        const $bound = $('<div class="resize-bound"></div>');
+
+        $bound[0].onselectstart = () => false;
+
+        $bound.css('font-size', `${this.boundSize}px`);
+
+        const mapX = ['left', 'center', 'right'];
+        const mapY = ['top', 'middle', 'bottom'];
+        $bound.addClass('bound-' + mapX[xDirection + 1]);
+        $bound.addClass('bound-' + mapY[yDirection + 1]);
+
+        $bound.appendTo(this.$element);
+
+        this.attachEventHandlers($bound, xDirection, yDirection);
+    }
+
+}

Packages/ohif-core/ui/resizable/resizable.styl

@@ -0,0 +1,55 @@
+@import "{design}/app"
+
+.resizable
+  transform(scale(1))
+
+  &.resizing, .resize-bound
+    user-select: none
+    -webkit-touch-callout: none
+    -webkit-user-select: none
+    -khtml-user-select: none
+    -moz-user-select: none
+    -ms-user-select: none
+
+  .resize-bound
+    content: ''
+    line-height: 1em
+    position: fixed
+
+  .bound-left
+    left: 0
+    width: 1em
+
+  .bound-center
+    left: 1em
+    height: 1em
+    right: 1em
+
+  .bound-right
+    right: 0
+    width: 1em
+
+  .bound-top
+    top: 0
+    height: 1em
+
+  .bound-middle
+    top: 1em
+    width: 1em
+    bottom: 1em
+
+  .bound-bottom
+    bottom: 0
+    height: 1em
+
+  .bound-left.bound-top, .bound-right.bound-bottom
+    cursor: nwse-resize
+
+  .bound-left.bound-bottom, .bound-right.bound-top
+    cursor: nesw-resize
+
+  .bound-left.bound-middle, .bound-right.bound-middle
+    cursor: ew-resize
+
+  .bound-center.bound-top, .bound-center.bound-bottom
+    cursor: ns-resize