From 642b555b3d8de6dcf1ffb7ada219feeacb2ba443 Mon Sep 17 00:00:00 2001
From: William Petit <wpetit@cadoles.com>
Date: Tue, 21 Apr 2020 14:10:50 +0200
Subject: [PATCH] Better print style + base tabs

---
 src/components/app.tsx                   |  2 +-
 src/components/header/index.tsx          |  8 ++-
 src/components/tabs/index.tsx            | 50 ++++++++++++++++
 src/components/tabs/style.css            |  8 +++
 src/components/tabs/style.css.d.ts       |  3 +
 src/hooks/use-media-query.ts             | 41 +++++++++++++
 src/hooks/use-project-estimations.ts     | 35 +++++++++++
 src/index.js                             |  1 -
 src/routes/project/estimation-tab.tsx    | 50 ++++++++++++++++
 src/routes/project/financial-preview.tsx | 15 +++--
 src/routes/project/index.tsx             | 74 ++++++++----------------
 src/routes/project/style.css             |  8 +++
 src/routes/project/style.css.d.ts        |  2 +
 src/routes/project/tasks-table.tsx       | 51 ++++++++++------
 src/routes/project/time-preview.tsx      | 36 ++++--------
 src/style/index.css                      |  7 +++
 src/style/index.css.d.ts                 |  3 +-
 17 files changed, 287 insertions(+), 107 deletions(-)
 create mode 100644 src/components/tabs/index.tsx
 create mode 100644 src/components/tabs/style.css
 create mode 100644 src/components/tabs/style.css.d.ts
 create mode 100644 src/hooks/use-media-query.ts
 create mode 100644 src/hooks/use-project-estimations.ts
 create mode 100644 src/routes/project/estimation-tab.tsx

diff --git a/src/components/app.tsx b/src/components/app.tsx
index e09a41e..8ddb3ef 100644
--- a/src/components/app.tsx
+++ b/src/components/app.tsx
@@ -20,7 +20,7 @@ const App: FunctionalComponent = () => {
 
     return (
         <div id="app">
-            <Header />
+            <Header class="noPrint" />
             <Router onChange={handleRoute}>
                 <Route path="/" component={Home} />
                 <Route path="/p/:projectId" component={Project} />
diff --git a/src/components/header/index.tsx b/src/components/header/index.tsx
index 31aaf1c..3cc315c 100644
--- a/src/components/header/index.tsx
+++ b/src/components/header/index.tsx
@@ -2,9 +2,13 @@ import { FunctionalComponent, h } from "preact";
 import { Link } from "preact-router/match";
 import * as style from "./style.css";
 
-const Header: FunctionalComponent = () => {
+export interface HeaderProps {
+    class?: string
+}
+
+const Header: FunctionalComponent<HeaderProps> = ({ ...props}) => {
     return (
-        <div class="container">
+        <div class={`container ${props.class ? props.class : ''}`}>
             <div class="columns">
                 <div class="column">
                     <nav class="navbar" role="navigation" aria-label="main navigation">
diff --git a/src/components/tabs/index.tsx b/src/components/tabs/index.tsx
new file mode 100644
index 0000000..00fa8c5
--- /dev/null
+++ b/src/components/tabs/index.tsx
@@ -0,0 +1,50 @@
+import { FunctionalComponent, h, ComponentChild } from "preact";
+import * as style from "./style.css";
+import { useState } from "preact/hooks";
+
+export interface TabItem {
+    label: string
+    icon?: string
+    render: () => ComponentChild
+}
+
+export interface TabsProps {
+    class?: string
+    items: TabItem[]
+}
+
+const Tabs: FunctionalComponent<TabsProps> = ({ items, ...props }) => {
+    const [ selectedTabIndex, setSelectedTabIndex ] = useState(0);
+
+    const onTabClick = (tabIndex: number) => {
+        setSelectedTabIndex(tabIndex);
+    };
+
+    const selectedTab = items[selectedTabIndex];
+
+    return (
+        <div class={`${style.tabs} ${props.class}`}>
+            <div class="tabs">
+                <ul class={`noPrint`}>
+                {
+                    items.map((tabItem, tabIndex) => (
+                        <li key={`tab-${tabIndex}`}
+                            onClick={onTabClick.bind(null, tabIndex)}
+                            class={`${selectedTabIndex === tabIndex ? 'is-active' : ''}`}>
+                            <a>
+                                <span class="icon is-small">{tabItem.icon}</span>
+                                {tabItem.label}
+                            </a>
+                        </li>
+                    ))
+                }
+                </ul>
+            </div>
+            <div class={style.tabContent}>
+                { selectedTab.render() }
+            </div>
+        </div>
+    );
+};
+
+export default Tabs;
diff --git a/src/components/tabs/style.css b/src/components/tabs/style.css
new file mode 100644
index 0000000..255d426
--- /dev/null
+++ b/src/components/tabs/style.css
@@ -0,0 +1,8 @@
+.tabs {
+    display: inherit;
+}
+
+.tabContent {
+    padding-top: 1em;
+    max-width: 100%;
+}
\ No newline at end of file
diff --git a/src/components/tabs/style.css.d.ts b/src/components/tabs/style.css.d.ts
new file mode 100644
index 0000000..8c3ed88
--- /dev/null
+++ b/src/components/tabs/style.css.d.ts
@@ -0,0 +1,3 @@
+// This file is automatically generated from your CSS. Any edits will be overwritten.
+export const tabs: string;
+export const tabContent: string;
diff --git a/src/hooks/use-media-query.ts b/src/hooks/use-media-query.ts
new file mode 100644
index 0000000..062c5c9
--- /dev/null
+++ b/src/hooks/use-media-query.ts
@@ -0,0 +1,41 @@
+import { useEffect, useState } from "preact/hooks";
+
+export function useMediaQuery(query: string): boolean {
+    const media = window.matchMedia(query);
+    const [ matches, setMatches ] = useState(media.matches);
+    
+    useEffect(() => {
+        const listener = (evt: MediaQueryListEvent) => {
+            setMatches(evt.matches);
+        };
+        media.addListener(listener);
+        return () => {media.removeListener(listener)}
+    }, []);
+
+    return matches;
+}
+
+export function usePrintMediaQuery(): boolean {
+    const isMediaQueryPrint = useMediaQuery("print");
+    const [ isPrint, setIsPrint ] = useState(false);
+
+    // Firefox/IE compatibility layer
+    useEffect(() => {
+        const beforePrint = () => {
+            setIsPrint(true);
+        };
+        const afterPrint = () => {
+            setIsPrint(false);
+        };
+        
+        window.addEventListener('beforeprint', beforePrint);
+        window.addEventListener('afterprint', afterPrint);
+
+        return () => {
+            window.removeEventListener('beforeprint', beforePrint);
+            window.removeEventListener('afterprint', afterPrint);
+        };
+    }, []);
+
+    return isMediaQueryPrint || isPrint;
+}
\ No newline at end of file
diff --git a/src/hooks/use-project-estimations.ts b/src/hooks/use-project-estimations.ts
new file mode 100644
index 0000000..eae69bb
--- /dev/null
+++ b/src/hooks/use-project-estimations.ts
@@ -0,0 +1,35 @@
+import { Project } from "../models/project";
+import { useState, useEffect } from "preact/hooks";
+import { getProjectWeightedMean, getProjectStandardDeviation } from "../util/stat";
+
+export interface Estimation {
+    e: number
+    sd: number
+}
+
+export interface ProjetEstimations {
+    p99: Estimation
+    p90: Estimation
+    p68: Estimation
+}
+
+export function useProjectEstimations(p :Project): ProjetEstimations {
+    const [ estimations, setEstimations ] = useState({
+        p99: { e: 0, sd: 0 },
+        p90: { e: 0, sd: 0 },
+        p68: { e: 0, sd: 0 },
+    });
+
+    useEffect(() => {
+        const projectWeightedMean = getProjectWeightedMean(p)
+        const projectStandardDeviation = getProjectStandardDeviation(p);
+
+        setEstimations({
+            p99: { e: projectWeightedMean, sd: (projectStandardDeviation * 3) },
+            p90: { e: projectWeightedMean, sd: (projectStandardDeviation * 1.645) },
+            p68: { e: projectWeightedMean, sd: (projectStandardDeviation) },
+        })
+    }, [p.tasks]);
+
+    return estimations;
+}
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index 1f3d6eb..f6dae11 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,4 @@
 import "./style/index.css";
-
 import "bulma/css/bulma.css";
 
 import App from "./components/app.tsx";
diff --git a/src/routes/project/estimation-tab.tsx b/src/routes/project/estimation-tab.tsx
new file mode 100644
index 0000000..2bf99ee
--- /dev/null
+++ b/src/routes/project/estimation-tab.tsx
@@ -0,0 +1,50 @@
+import { FunctionalComponent, h } from "preact";
+import { Project } from "../../models/project";
+import TaskTable from "./tasks-table";
+import TimePreview from "./time-preview";
+import FinancialPreview from "./financial-preview";
+import { addTask, updateTaskEstimation, removeTask, updateProjectLabel, updateTaskLabel, ProjectReducerActions } from "../../hooks/use-project-reducer";
+import { Task, TaskID, EstimationConfidence } from "../../models/task";
+
+export interface EstimationTabProps {
+    project: Project
+    dispatch: (action: ProjectReducerActions) => void
+}
+
+const EstimationTab: FunctionalComponent<EstimationTabProps> = ({ project, dispatch }) => {
+    const onTaskAdd = (task: Task) => {
+        dispatch(addTask(task));
+    };
+
+    const onTaskRemove = (taskId: TaskID) => {
+        dispatch(removeTask(taskId));
+    }
+
+    const onTaskLabelUpdate = (taskId: TaskID, label: string) => {
+        dispatch(updateTaskLabel(taskId, label));
+    }
+
+    const onEstimationChange = (taskId: TaskID, confidence: EstimationConfidence, value: number) => {
+        dispatch(updateTaskEstimation(taskId, confidence, value));
+    };
+
+
+    return (
+        <div class="columns">
+            <div class="column is-9">
+                <TaskTable 
+                    project={project} 
+                    onTaskAdd={onTaskAdd}
+                    onTaskRemove={onTaskRemove}
+                    onTaskLabelUpdate={onTaskLabelUpdate}
+                    onEstimationChange={onEstimationChange} />    
+            </div>
+            <div class="column is-3">
+                <TimePreview project={project} />
+                <FinancialPreview project={project} />
+            </div>
+        </div>
+    );
+};
+
+export default EstimationTab;
diff --git a/src/routes/project/financial-preview.tsx b/src/routes/project/financial-preview.tsx
index 5a50cf3..8e37d46 100644
--- a/src/routes/project/financial-preview.tsx
+++ b/src/routes/project/financial-preview.tsx
@@ -1,12 +1,17 @@
 import { FunctionalComponent, h } from "preact";
 import * as style from "./style.css";
 import { Project } from "../../models/project";
+import { useProjectEstimations } from "../../hooks/use-project-estimations";
 
 export interface FinancialPreviewProps {
     project: Project
 }
 
 const FinancialPreview: FunctionalComponent<FinancialPreviewProps> = ({ project }) => {
+    const estimations = useProjectEstimations(project);
+    const costPerTimeUnit = 500;
+    const maxCost = Math.ceil((estimations.p99.e + estimations.p99.sd) * costPerTimeUnit);
+    const minCost = Math.ceil((estimations.p99.e - estimations.p99.sd) * costPerTimeUnit);
     return (
         <div class="table-container">
             <table class="table is-bordered is-striped is-fullwidth">
@@ -15,18 +20,18 @@ const FinancialPreview: FunctionalComponent<FinancialPreviewProps> = ({ project
                         <th colSpan={2}>Prévisionnel financier</th>
                     </tr>
                     <tr>
-                        <th>Temps</th>
+                        <th class="is-narrow">Temps</th>
                         <th>Coût</th>
                     </tr>
                 </thead>
                 <tbody>
                     <tr>
-                        <td>Maximum</td>
-                        <td></td>
+                        <td class="is-narrow">Maximum</td>
+                        <td>~ {maxCost} €</td>
                     </tr>
                     <tr>
-                        <td>Minimum</td>
-                        <td></td>
+                        <td class="is-narrow">Minimum</td>
+                        <td>~ {minCost} €</td>
                     </tr>
                 </tbody>
             </table>
diff --git a/src/routes/project/index.tsx b/src/routes/project/index.tsx
index 58d57c8..3462284 100644
--- a/src/routes/project/index.tsx
+++ b/src/routes/project/index.tsx
@@ -2,14 +2,12 @@ import { FunctionalComponent, h } from "preact";
 import { useEffect } from "preact/hooks";
 import * as style from "./style.css";
 import { newProject } from "../../models/project";
-import TaskTable from "./tasks-table";
-import TimePreview from "./time-preview";
-import FinancialPreview from "./financial-preview";
-import { useProjectReducer, addTask, updateTaskEstimation, removeTask, updateProjectLabel, updateTaskLabel } from "../../hooks/use-project-reducer";
-import { Task, TaskID, EstimationConfidence } from "../../models/task";
+import { useProjectReducer, updateProjectLabel } from "../../hooks/use-project-reducer";
 import { getProjectStorageKey } from "../../util/storage";
 import { useLocalStorage } from "../../hooks/use-local-storage";
 import EditableText from "../../components/editable-text";
+import Tabs from "../../components/tabs";
+import EstimationTab from "./estimation-tab";
 
 export interface ProjectProps {
     projectId: string
@@ -20,22 +18,6 @@ const Project: FunctionalComponent<ProjectProps> = ({ projectId }) => {
     const [ storedProject, storeProject ] = useLocalStorage(projectStorageKey, newProject(projectId));
     const [ project, dispatch ] = useProjectReducer(storedProject);
 
-    const onTaskAdd = (task: Task) => {
-        dispatch(addTask(task));
-    };
-
-    const onTaskRemove = (taskId: TaskID) => {
-        dispatch(removeTask(taskId));
-    }
-
-    const onTaskLabelUpdate = (taskId: TaskID, label: string) => {
-        dispatch(updateTaskLabel(taskId, label));
-    }
-
-    const onEstimationChange = (taskId: TaskID, confidence: EstimationConfidence, value: number) => {
-        dispatch(updateTaskEstimation(taskId, confidence, value));
-    };
-
     const onProjectLabelChange = (projectLabel: string) => {
         dispatch(updateProjectLabel(projectLabel));
     };
@@ -49,38 +31,28 @@ const Project: FunctionalComponent<ProjectProps> = ({ projectId }) => {
         <div class={`container ${style.estimation}`}>
             <EditableText
                 editIconClass="is-size-4"
-                render={(value) => (<h3 class="is-size-3">{value}</h3>)}
+                render={(value) => (<h2 class="is-size-3">{value}</h2>)}
                 onChange={onProjectLabelChange}
                 value={project.label ? project.label : "Projet sans nom"} />
-            <div class="tabs">
-                <ul>
-                    <li class="is-active">
-                        <a>
-                            <span class="icon is-small">📋</span>
-                            Estimation
-                        </a>
-                    </li>
-                    {/* <li>
-                        <a disabled>
-                            <span class="icon is-small">⚙️</span>
-                            Paramètres
-                        </a>
-                    </li> */}
-                </ul>
-            </div>
-            <div class="columns">
-                <div class="column is-9">
-                    <TaskTable 
-                        project={project} 
-                        onTaskAdd={onTaskAdd}
-                        onTaskRemove={onTaskRemove}
-                        onTaskLabelUpdate={onTaskLabelUpdate}
-                        onEstimationChange={onEstimationChange} />    
-                </div>
-                <div class="column is-3">
-                    <TimePreview project={project} />
-                    <FinancialPreview project={project} />
-                </div>
+            <div class={style.tabContainer}>
+                <Tabs items={[
+                        {
+                            label: 'Estimation',
+                            icon: '📋',
+                            render: () => <EstimationTab project={project} dispatch={dispatch} />
+                        },
+                        {
+                            label: 'Paramètres',
+                            icon: '⚙️',
+                            render: () => null
+                        },
+                        {
+                            label: 'Exporter',
+                            icon: '↗️',
+                            render: () => null
+                        }
+                    ]}
+                />
             </div>
         </div>
     );
diff --git a/src/routes/project/style.css b/src/routes/project/style.css
index abeef8a..2dd0933 100644
--- a/src/routes/project/style.css
+++ b/src/routes/project/style.css
@@ -13,4 +13,12 @@
 
 .mainColumn {
     width: 100%;
+}
+
+.middleTable td {
+    vertical-align: middle;
+}
+
+.tabContainer {
+    padding-top: 1em;
 }
\ No newline at end of file
diff --git a/src/routes/project/style.css.d.ts b/src/routes/project/style.css.d.ts
index 7d96d80..802e901 100644
--- a/src/routes/project/style.css.d.ts
+++ b/src/routes/project/style.css.d.ts
@@ -3,3 +3,5 @@ export const estimation: string;
 export const noTasks: string;
 export const noBorder: string;
 export const mainColumn: string;
+export const middleTable: string;
+export const tabContainer: string;
diff --git a/src/routes/project/tasks-table.tsx b/src/routes/project/tasks-table.tsx
index 0d200f1..bc88264 100644
--- a/src/routes/project/tasks-table.tsx
+++ b/src/routes/project/tasks-table.tsx
@@ -4,8 +4,7 @@ import * as style from "./style.css";
 import { Project } from "../../models/project";
 import { newTask, Task, TaskID, EstimationConfidence } from "../../models/task";
 import EditableText from "../../components/editable-text";
-
-
+import { usePrintMediaQuery } from "../../hooks/use-media-query";
 
 export interface TaskTableProps {
     project: Project
@@ -27,6 +26,8 @@ const TaskTable: FunctionalComponent<TaskTableProps> = ({ project, onTaskAdd, on
         [EstimationConfidence.Pessimistic]: 0,
     } as EstimationTotals);
 
+    const isPrint = usePrintMediaQuery();
+
     useEffect(() => {
         let optimistic = 0;
         let likely = 0;
@@ -76,10 +77,10 @@ const TaskTable: FunctionalComponent<TaskTableProps> = ({ project, onTaskAdd, on
 
     return (
         <div class="table-container">
-            <table class="table is-bordered is-striped is-hoverable is-fullwidth">
+            <table class={`table is-bordered is-striped is-hoverable is-fullwidth ${style.middleTable}`}>
                 <thead>
                     <tr>
-                        <th class={style.noBorder} rowSpan={2}></th>
+                        <th class={`${style.noBorder} noPrint`} rowSpan={2}></th>
                         <th class={style.mainColumn} rowSpan={2}>Tâche</th>
                         <th rowSpan={2}>Catégorie</th>
                         <th colSpan={3}>Estimation</th>
@@ -97,7 +98,7 @@ const TaskTable: FunctionalComponent<TaskTableProps> = ({ project, onTaskAdd, on
                             const categoryLabel = category ? category.label : '???';
                             return (
                                 <tr key={`taks-${t.id}`}>
-                                    <td class="is-narrow">
+                                    <td class={`is-narrow noPrint`}>
                                         <button
                                             onClick={onTaskRemoveClick.bind(null, t.id)}
                                             class="button is-danger is-small is-outlined">
@@ -112,19 +113,31 @@ const TaskTable: FunctionalComponent<TaskTableProps> = ({ project, onTaskAdd, on
                                     </td>
                                     <td>{ categoryLabel }</td>
                                     <td>
-                                        <input class="input" type="number" value={t.estimations.optimistic}
-                                            min={0}
-                                            onChange={onOptimisticChange.bind(null, t.id)} />
+                                        {
+                                            isPrint ?
+                                            <span>{t.estimations.optimistic}</span> :
+                                            <input class="input" type="number" value={t.estimations.optimistic}
+                                                min={0}
+                                                onChange={onOptimisticChange.bind(null, t.id)} />
+                                        }
                                     </td>
                                     <td>
-                                        <input class="input" type="number" value={t.estimations.likely}
-                                            min={0}
-                                            onChange={onLikelyChange.bind(null, t.id)} />
+                                        {
+                                            isPrint ?
+                                            <span>{t.estimations.likely}</span> :
+                                            <input class="input" type="number" value={t.estimations.likely}
+                                                min={0}
+                                                onChange={onLikelyChange.bind(null, t.id)} />
+                                        }
                                     </td>
                                     <td>
-                                        <input class="input" type="number" value={t.estimations.pessimistic}
-                                            min={0}
-                                            onChange={onPessimisticChange.bind(null, t.id)} />
+                                        {
+                                            isPrint ?
+                                            <span>{t.estimations.pessimistic}</span> :
+                                            <input class="input" type="number" value={t.estimations.pessimistic}
+                                                min={0}
+                                                onChange={onPessimisticChange.bind(null, t.id)} />
+                                        }
                                     </td>
                                 </tr>
                             )
@@ -133,7 +146,7 @@ const TaskTable: FunctionalComponent<TaskTableProps> = ({ project, onTaskAdd, on
                     {
                         Object.keys(project.tasks).length === 0 ?
                         <tr>
-                            <td class={style.noBorder}></td>
+                            <td class={`${style.noBorder} noPrint`}></td>
                             <td class={style.noTasks} colSpan={5}>Aucune tâche pour l'instant.</td>
                         </tr> :
                         null
@@ -141,9 +154,9 @@ const TaskTable: FunctionalComponent<TaskTableProps> = ({ project, onTaskAdd, on
                 </tbody>
                 <tfoot>
                     <tr>
-                        <td class={style.noBorder}></td>
-                        <td colSpan={2}>
-                            <div class="field has-addons">
+                        <td class={`${style.noBorder} noPrint`}></td>
+                        <td colSpan={2} class={isPrint ? style.noBorder : ''}>
+                            <div  class="field has-addons noPrint">
                                 <p class="control is-expanded">
                                     <input class="input" type="text" placeholder="Nouvelle tâche"
                                         value={task.label} onChange={onNewTaskLabelChange} />
@@ -171,7 +184,7 @@ const TaskTable: FunctionalComponent<TaskTableProps> = ({ project, onTaskAdd, on
                         <th colSpan={3}>Total</th>
                     </tr>
                     <tr>
-                        <td colSpan={3} class={style.noBorder}></td>
+                        <td colSpan={isPrint ? 2 : 3} class={style.noBorder}></td>
                         <td>{totals.optimistic}</td>
                         <td>{totals.likely}</td>
                         <td>{totals.pessimistic}</td>
diff --git a/src/routes/project/time-preview.tsx b/src/routes/project/time-preview.tsx
index 3c41384..fbceb0c 100644
--- a/src/routes/project/time-preview.tsx
+++ b/src/routes/project/time-preview.tsx
@@ -1,29 +1,13 @@
 import { FunctionalComponent, h } from "preact";
 import { Project } from "../../models/project";
-import { Task } from "../../models/task";
-import { useState, useEffect } from "preact/hooks";
-import { getProjectWeightedMean, getProjectStandardDeviation } from "../../util/stat";
+import { useProjectEstimations } from "../../hooks/use-project-estimations";
 
 export interface TimePreviewProps {
     project: Project
 }
 
 const TimePreview: FunctionalComponent<TimePreviewProps> = ({ project }) => {
-    const [ estimations, setEstimations ] = useState({
-        p99: { e: '0', sd: '0' },
-        p90: { e: '0', sd: '0' },
-        p68: { e: '0', sd: '0' },
-    });
-
-    useEffect(() => {
-        const projectWeightedMean = getProjectWeightedMean(project).toFixed(2);
-        const projectStandardDeviation = getProjectStandardDeviation(project);
-        setEstimations({
-            p99: { e: projectWeightedMean, sd: (projectStandardDeviation * 3).toFixed(2) },
-            p90: { e: projectWeightedMean, sd: (projectStandardDeviation * 1.645).toFixed(2) },
-            p68: { e: projectWeightedMean, sd: (projectStandardDeviation).toFixed(2) },
-        })
-    }, [project.tasks]);
+    const estimations = useProjectEstimations(project);
 
     return (
         <div class="table-container">
@@ -33,25 +17,25 @@ const TimePreview: FunctionalComponent<TimePreviewProps> = ({ project }) => {
                         <th colSpan={2}>Prévisionnel temps</th>
                     </tr>
                     <tr>
-                        <th>Niveau de confiance</th>
+                        <th class="is-narrow">Confiance</th>
                         <th>Estimation</th>
                     </tr>
                 </thead>
                 <tbody>
                     <tr>
-                        <td>>= 99.7%</td>
-                        <td>{`${estimations.p99.e} ± ${estimations.p99.sd} j/h`}</td>
+                        <td class="is-narrow">>= 99.7%</td>
+                        <td>{`${estimations.p99.e.toPrecision(2)} ± ${estimations.p99.sd.toPrecision(2)} j/h`}</td>
                     </tr>
                     <tr>
-                        <td>>= 90%</td>
-                        <td>{`${estimations.p90.e} ± ${estimations.p90.sd} j/h`}</td>
+                        <td class="is-narrow">>= 90%</td>
+                        <td>{`${estimations.p90.e.toPrecision(2)} ± ${estimations.p90.sd.toPrecision(2)} j/h`}</td>
                     </tr>
                     <tr>
-                        <td>>= 68%</td>
-                        <td>{`${estimations.p68.e} ± ${estimations.p68.sd} j/h`}</td>
+                        <td class="is-narrow">>= 68%</td>
+                        <td>{`${estimations.p68.e.toPrecision(2)} ± ${estimations.p68.sd.toPrecision(2)} j/h`}</td>
                     </tr>
                 </tbody>
-                <tfoot>
+                <tfoot class="noPrint">
                     <tr>
                         <td colSpan={2}>
                             <a class="is-small is-pulled-right" href="https://en.wikipedia.org/wiki/Three-point_estimation" target="_blank">❓ Estimation à 3 points</a>
diff --git a/src/style/index.css b/src/style/index.css
index 5698bbb..487d773 100644
--- a/src/style/index.css
+++ b/src/style/index.css
@@ -1,3 +1,10 @@
 #app {
     display: inherit;
+}
+
+@media print
+{    
+    .noPrint, .noPrint * {
+        display: none !important;
+    }
 }
\ No newline at end of file
diff --git a/src/style/index.css.d.ts b/src/style/index.css.d.ts
index 53d4f03..6868c03 100644
--- a/src/style/index.css.d.ts
+++ b/src/style/index.css.d.ts
@@ -1,2 +1 @@
-// This file is automatically generated from your CSS. Any edits will be overwritten.
-export const app: string;
+export const app: string;
\ No newline at end of file