dynamicPositioning

<script id='controller.settings'>

    // console.log("dynamicPositioning controller");

    /**
     * Draw a rectangle on the given page container element.
     * for debugging purposes
     */
    function drawRect(pageContainer, rectangle, color = "red") {
        const rect = document.createElement("div");
        rect.style.setProperty("border", "2px solid " + color);
        rect.style.setProperty("width", rectangle.width + "px");
        rect.style.setProperty("height", rectangle.height + "px");
        rect.style.position = "absolute";
        rect.style.setProperty("left", rectangle.x + "px");
        rect.style.setProperty("top", rectangle.y + "px");
        rect.style.setProperty("z-index", 9999);
        pageContainer.appendChild(rect);
        return rect;
    }

    function computeAdjustedPosition(targetPosition, assetPosition, assetDimensions, direction, offset = 0, secondaryAxisOffset = 0) {

        let finalPosition = {
            x: targetPosition.center.x,
            y: targetPosition.center.y
        };

        switch (direction) {
            case "left":
                finalPosition.x -= (targetPosition.dimensions.width + assetDimensions.width) / 2 + offset;

                if (secondaryAxisOffset) {
                    finalPosition.y += secondaryAxisOffset;
                }
                break;

            case "right":
                finalPosition.x += (targetPosition.dimensions.width / 2 + assetDimensions.width / 2 + offset);

                if (secondaryAxisOffset) {
                    finalPosition.y += secondaryAxisOffset;
                }
                break;

            case "rightBottom":
                finalPosition.x += (targetPosition.dimensions.width / 2 + assetDimensions.width / 2 + offset)
                finalPosition.y += (targetPosition.dimensions.height / 2 + assetDimensions.height / 2 + offset)
                break;

            case "rightTop":
                finalPosition.x += (targetPosition.dimensions.width / 2 + assetDimensions.width / 2 + offset)
                finalPosition.y -= (targetPosition.dimensions.height / 2 + assetDimensions.height / 2 + offset)
                break;

            case "bottomLeft":
                finalPosition.x += (-targetPosition.dimensions.width / 2 + assetDimensions.width / 2 + offset)
                finalPosition.y += (targetPosition.dimensions.height / 2 + assetDimensions.height / 2 + offset)
                break;

            case "bottomUntouched":
                finalPosition.x = assetPosition.x;
                finalPosition.y += (targetPosition.dimensions.height / 2 + assetDimensions.height / 2 + offset)
                break;
        }
        return {center: finalPosition };
    }

    const positioningActions = {
        page1: [
            {
                asset: "CTA__APP MOBILE1",
                positionTarget: {
                    text: "EDF & MOI",
                },
                mainAxisOffset: 0.5,
                direction: "right",
                conditionMethod: () => {
                    return new Promise(resolve => {
                        const isMobile = (
                            function(a,b) {
                                return /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4));
                            })(navigator.userAgent||navigator.vendor||window.opera,);

                        resolve(isMobile);
                    });
                }
            }
        ]
    };


    function placeOnPage(page) {
        if (!positioningActions['page' + page]) {
            return;
        }

        const pageActions = positioningActions['page' + page].filter(action => !action.done);

        // console.log("positioning: placeOnPage", page, pageActions);

        pageActions.forEach(async action => {
            let positionPromise = Promise.resolve(true);
            let afterPositions;

            if (action.positionTarget && (action.positionTarget.text || action.positionTarget.regex)) {

                if (action.positionTarget.after) {
                    afterPositions = await PDFZ.api.text.getContinuousOrSplitTextPosition(page, action.positionTarget.after);

                    if (!afterPositions.length) {
                        try {
                            PDFZ.api.assetHide(action.asset);
                        } catch (e) {
                            console.error("Error while hidding asset '" + action.asset + "'");
                        }
                        return false;
                    }
                }

                if (action.positionTarget.text) {
                    positionPromise = PDFZ.api.text.getContinuousOrSplitTextPosition(page, action.positionTarget.text);
                } else if (action.positionTarget.regex) {
                    positionPromise = PDFZ.api.text.getRegexPosition(page, action.positionTarget.regex);
                }

                positionPromise = positionPromise.then(async (positions) => {
                    let filteredPositions;
                    // may have been handled by a previous invocation while we were waiting for the async operation
                    if (!action.done) {

                        if (afterPositions && afterPositions.length) {
                            const afterPosition = afterPositions[0];
                            filteredPositions = positions.filter(pos => pos.center.y > afterPosition.center.y);
                        } else {
                            filteredPositions = positions;
                        }

                        // hide assets that could not be positionned
                        if (!filteredPositions.length) {
                            console.debug("positioning: cannot find text:", action.positionTarget.text, "for asset", action.asset);
                            try {
                                PDFZ.api.assetHide(action.asset);
                            } catch (e) {
                                console.error("Error while hidding asset '" + action.asset + "'");
                            }
                            return false;
                        }

                        let targetPosition = filteredPositions[0];
                        let assetPosition = PDFZ.api.getAssetPosition(action.asset);

                        if (assetPosition) {
                            targetPosition = computeAdjustedPosition(targetPosition, assetPosition.center, assetPosition.dimensions, action.direction, action.mainAxisOffset, action.secondaryAxisOffset || 0);
                            try {
                                const done = PDFZ.api.assetMoveTo(action.asset, targetPosition);

                                // If no condition to render, we can show it right now
                                if (!action.conditionMethod) {
                                    PDFZ.api.assetShow(action.asset);
                                }

                                if (done) {
                                    action.done = true;
                                    return true;
                                }
                            } catch(e) {
                                console.error("positioning: Cannot move and show", action.asset);
                            }
                        }
                        return false;
                    } else {
                        return true;
                    }
                });
            }

            /**
             * Now check if the asset has a conditional rendering.
             */
            if (action.conditionMethod) {
                positionPromise.then(succeed => {
                    if (!succeed) {
                        return;
                    }

                    action.conditionMethod().then(mustDisplay => {
                        if (mustDisplay) {
                            PDFZ.api.assetShow(action.asset);
                        } else {
                            PDFZ.api.assetHide(action.asset);
                        }
                    });
                });
            }
        });
    }

    let handledPages = [];

    function onPageLoaded(page) {
        if (page && handledPages.indexOf(page) === -1) {
            // console.debug("positioning: newly rendered page", page);
            placeOnPage(page);
            handledPages.push(page);
        } else {
            console.warn("positioning: page already handled", page);
        }
    }

    function resetActions() {
        // Reset all positioning actions that have been done before zoom or scale changed
        Object.values(positioningActions).forEach(pageActions => pageActions.forEach(action => {
            if (action.done) { action.done = false }
        }));
        handledPages = [];
    }

    function initListener() {
        console.debug("=== initListener");
        PDFZ.api.on("zoom", () => { console.debug("==== scalechanging"); resetActions(); });
        PDFZ.api.on("pagerendered", (page) => { console.debug("==== pagerendered", page); onPageLoaded(page); });
    }

    (typeof PDFZ !== "undefined") && (async () => {
        await PDFZ.isReady;
        initListener();
    })();

    function onAugmentationToggle() {
        setTimeout(() => {
            const augmentationDisabled = PDFZ_augmentation.assetsHidden;

            if (augmentationDisabled) {
                resetActions();
            } else {
                const { pagesCount } = PDFViewerApplication;

                for(let i = 1; i <= pagesCount; i++) {
                    PDFViewerApplication.pdfDocument
                    .getPage(i)
                    .then(() => onPageLoaded(i));
                }
            }
        }, 100);
    }
    //we need to refresh if augmentations are toggled
    /*
    window.parent.document.getElementById("augmentationToggle")?.addEventListener("click", onAugmentationToggle) || console.error("augmentationToggle not found");
    window.parent.document.getElementById("secondaryAugmentationToggle")?.addEventListener("click", onAugmentationToggle) || console.error("secondaryAugmentationToggle not found");
    */
</script>